Regex To Allow Only One Decimal Point

Only Java requires the A to Z to be uppercase. All hash functions expect one string argument. regex() can also take an optional options object as second argument. Regex allow only backspace, numbers, dot and comma If this is your first visit, be sure to check out the FAQ by clicking the link above. Regular Expression Options. To create that regular expression, you need to use a string, which also needs to escape \. See decimal and numeric in the SQL Server online docs, particularly around precision and scale. XtraEditors. In Java, the regex token \uFFFF only matches the specified code point, even when you turned on canonical equivalence. A single decimal point is allowed (if the decimal length is not zero). Linq; public class Program { public static void Main() { string myString = (720000. If you want to allow only numeric values along with single dot(. Although SharePoint 2010 does allow Column Validation, Regular Expressions are not supported. NET regular expression engine. I believe if there is more than one decimal point it is a string, not a number. FYI: p (precision)The maximum total number of decimal digits that can be stored, both to the left and to the right of the decimal point. // description: // Returns an object with two properties, 'obj' and 'prop'. Your original doesn't allow room for the minus. See section on regular expressions for details. CRM Customer Service Customer Experience Point of Sale Lead Management Event Management Survey Accounting & Finance Accounting Billing and Invoicing Budgeting Compliance Payment Processing Risk Management. Only Number validation in Textbox of ASP. corrupted regexp program (P) The regular expression engine got passed a regexp program without a valid magic number. If you want to match the regular expression '^#' you can still use DetectChar with the attribute column="0". If that is the case, my suggestion is you could use the RegularExpressionValidator control. Regex is a very powerful syntax unto itself, and one can create quite complex regex strings. The latter is basicly the same as the reverse match i. \d+)?$ Notes: The ^ and $ anchor to the start and end basically saying that the whole string must match the pattern. the problem is when user tries to enter decimal point at the end of textbox lenght like ex: 123. The internal regex loop will take care of replacing {1,5} repetition of a non -digit character so that takes care of any 1st or 1 to 5 non digits simultaneously. Both of them will do the job under certain circumstances, but they are not perfect. Regular Expressions in JavaScript. This would allow for negative numbers. This quick reference lists only inline options. If we know and require that this will be at the beginning of the string we should say that explicitly by adding a caret ^ at the beginning. Import-CSV won't work. \d\d)?$ Example (1. The Regex Evaluation step matches the strings of an input field against a text pattern you define with a regular expression (regex). Having seen regular expressions being used, let us turn our attention to how they work. Hi George, The ':' in a format string is the seperator between the value placeholder and the value's format. One advantage of bad perl is that bad perl is quickly obvious. You can use a special prefix to write numbers in decimal, hexadecimal, octal or binary formats. So now that the numbers aren't next to each other, I don't know what to do. s (scale)The maximum number of decimal digits that can be stored to the right of the decimal point. UI issues to deal with. using System; using System. one of my friend asked about that how to find a CLR version which installed local Computer , Even i too don’t have an idea about that, but as we all know that Google helped us many ways, now also i got help from Google and i plotted below points. It could easily be made more generic, but since your two examples were in exactly that format, I made the assumption that you would have crafted your example differently if you wanted to allow more numeric formats. Either the accepted validation text should be broadened or this vali. Meaning that I want only 2 number before the decimal and one number after the decimal. 4, Characters and Encoding. However, JavaScript allows you to refer to one level of undefined child properties of an object (specifically, it allows you to refer to non-existant properties of any variable that is not null or undefined, but it will not allow you to refer to their properties, since an undefined property cannot have properties of its own). Join Stack Overflow to learn, share knowledge, and build your career. Whatever is matched by the contents of the group clause is taken to be the part of the fact table name to be used in the matching template. In the example shown, the data validation applied to C5:C9 is: = ISTEXT ( C5 ) How this formula works Data validation rules are triggered. All occurrences of the match are replaced, not just the first. Figure 1 – UMaskMSDoc. Below are a couple lines, where we only want to match the first three strings, but not the last three strings. Note that \d matches only decimal digits, whereas \w matches any Unicode digit, as well as any Unicode letter, and underscore. 1 or more digits from 0 to 9, followed by a decimal point and then one or more digits from 0 to 9 suffixed with b or B) , eg 42. The advantages of placing the commands in a script go beyond not having to retype them time and again. Jun 12, You can use the below regular expression to allow only decimal and numeric values in textbox. i am looking for an expression only to check for 2 decimal places. You can't just write [0-2 55] to match a number between 0 and 255. However, if there’s a possibility the string will have a Social Security number without the dashes, you’d want to change the regular expression pattern to:. Below are a few basic functions complete with details on how to utilize them. To allow only text in a cell, you can use data validation with a custom formula based on the ISTEXT function. The validation setting sets the type of validation to use. It must appear at the beginning of each entry. 40 passes thru them. This regular expression looks for any number of digits. In one of my previous article, I have shared an example that explained how we can restrict numeric values, along with decimal values, inside Input boxes using JavaScript. Hence, a user NEED NOT mention the type of data during declaration. Decimals not mandatory, unless no zero in ones column and decimal point is placed. Regular Expression Syntax¶. I want to make sure that the Input of my Textbox is of a specific Format. One might think that using only the C subset of C++ compiled with a C++ compiler is the same as just using C, but in reality it can generate slightly different results depending on the compiler used. VB has numerous built-in string functions for processing strings. To finish, rewrite the exponent as the power of a power, then turn the base and its first exponent into a radical expression by finding the root of the number. Move your mouse cursor over the decimal number below to see its parts. CMake is a cross-platform, open-source build system. Both binary and decimal floating point are implemented in terms of published standards. REGEX_Replace(string, pattern, replace,icase): Allows replacement of text using regular expressions and returns the string resulting from the RegEx find pattern and replace string. The \G assertion is true only when the current matching position is at the start point of the match, as specified by the offset argument of preg_match(). Regular Expression Reference Regular expressions play an important role in most text parsing and text matching tasks. When present, the Mod will accept commands that control smooth movement. NET program that uses Regex Imports System. 567 = invalid 134. How to write a function that accepts a function handle. Panel, { //Properties region: 'north', id: 'BannerBar', border: false, collapsible: false, split: false, layout: 'fit', //Override. 0101011B×2^3. loginretries: Defines the number of unsuccessful login attempts allowed after the last successful login before the system locks the account. Following is the another way of removing the last character from string using IndexOf property but that character should exists only one time otherwise this property will return the values before the first character. 0, one can create custom regular expression engines. 0 “ formats number to have one decimal place and zero to N digits before decimal point (e. User can enter 10 10. If you want to disallow an empty string (which the original regular expression wouldn’t do), you could do this: But you could also just check for an empty string, which looks better anyways. Which would return 1252365 for the sentence "A year has 12 months, 52 weeks and 365 days". # Copyright (c) 2004 Python Software Foundation. The decimal expansion of non-negative real number x will end in zeros (or in nines) if, and only if, x is a rational number whose denominator is of the form 2 n 5 m, where m and n are non-negative integers. The entire regular expression matches anything that matches one of the branches. 5 = valid 134. & Ullman, J. match against the full path and filename or just the filename. It must appear at the beginning of each entry. If is \(lq^/regex/\(rq, it will search from the start of file\&. Join a community of over 2. If you use the Any option, only one of the conditions has to be met for a file to be included. A plain string is a regular expression that matches the string exactly. One would like to present the user with a graphical interface that displays the regex schematically, and allows the user to enable breakpoints by clicking on the original S-regex. Most VB string-handling functions return a string, although some return a number (such as the Len function, which returns the length of a string and functions like Instr and InstrRev, which return a character position within the string). everything the regular expression did not match. This can be used to allow only inbound SMS to certain shortcut numbers to be allowed to this service. Required and regular expression validator. But, as I have written the code will only work from 7. Write a regular expression that finds e-mail addresses. The deniedips attribute can be configured with a regular expression indicating which IP address will be denied access. Each plural rule must be written to be self-contained, and not depend on the ordering. To achieve the same result in python, use this regex and pass the re. However, regardless of locale, the character (the decimal-point character of the POSIX locale) is the decimal-point character recognized in processing awk programs (including assignments in command line arguments). 40 passes thru them. The input element's behaviour will be very unpredictable if the user inadvertently misses out the decimal point while typing, or tries to move the decimal point from one place to another. Any match must include at least one digit. Everything. NET, Matthew Barnett's outstanding regex module for Python, whose features far outstrip those of the standard re module, and the JGSoft engine used by Jan Goyvaerts' software such as EditPad Pro. If the G_REGEX_UNGREEDY flag is set, the quantifiers are not greedy by default, but individual ones can be made greedy by following them with a question mark. 8 then it gives me 0. Matches an unlimited number of digits to the left of an optional decimal point. 1 are valid but 11. 56 but it seems to calculate it as. See decimal and numeric in the SQL Server online docs, particularly around precision and scale. Decimal data type, which has the alias of decimal in C#, is used to store floating-point numbers with a high level of precision. Numeric-only input (no letters are allowed. This is essentially the same convention as the one used in the ISO C standard. A logical AND of (\\. Change as desired. ) A single minus sign (-) may be entered, but it must be at the start of the number. Floating-point numbers may be specified in any of several common formats making use of the decimal digits, the decimal point. Following is the another way of removing the last character from string using IndexOf property but that character should exists only one time otherwise this property will return the values before the first character. 1 Introduction. Regular Expression Options. There are some limitations, but we outline what they are and to work around them at the conclusion. like 11 and 11. For a list of available metric names, run the following command: % gmond -m. Idem above, but only allow positive values: $1,234. There should be only one decimal. WriteLine(match. There can be no decimal point too. x{1,5} means match a sequence of x characters that contains at least one x but no more than five. The challenge, is to create a program that will allow you to convert decimal (base-10) numbers to roman numerals as well as roman numerals to decimal numbers. 56 and then come back enter dot(. Online regex tester and debugger: PHP, PCRE, Python, Golang and JavaScript Regular Reg Expressions Ex 101. Calculator Regular Expression with decimal point and minus sign between one & three: a+? a{2,}? Regex Tester isn't optimized for mobile devices yet. It could easily be made more generic, but since your two examples were in exactly that format, I made the assumption that you would have crafted your example differently if you wanted to allow more numeric formats. Here's a one line Linq you could try to count zeroes before the decimal. One more rule is needed to understand how a match is determined for the whole regular expression: a match at an earlier position is always better than a match at a later position. Only half-width characters are recognized. In Java, the regex token \uFFFF only matches the specified code point, even when you turned on canonical equivalence. The entire regular expression matches anything that matches one of the branches. The aggregate table name recognition mechanism allows one to specify a regular expression with one and only one group clause (a group clause is a pattern bracketed by '(' and ')'). Introduction. Only allow a specific Value Format in a Textbox C# WinForms you want to only accept numbers with three digits before the decimal point and three decimals of. One of the integer part or the fractional part may be elided; one of the decimal point or the exponent may be elided. ? Need a regular expression to. RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). Note that \d matches only decimal digits, whereas \w matches any Unicode digit, as well as any Unicode letter, and underscore. So in the below example the first placeholder '{0}' is just going to display the first parameter which is the day of the week - note there is no formatting here, and the second placeholder '{1:t}' is going to hold the second parameter which is the time, and will also format it using. RS 4 Trace the evolution of the line range given by "," (or the function name regex ) within the \&. 1 or more digits from 0 to 9, followed by a decimal point and then one or more digits from 0 to 9 suffixed with b or B) , eg 42. It works by matching the input value against a regular expression. If there is a decimal point, it requires 2 numeric characters after the decimal point. Unless, of course, you define positive in some other way!. NeoMutt first reads the system configuration file, then the user configuration file. Package declaration. With these columns, we can manipulate other columns in the list item. Multi-line mode only affects anchors, and single-line mode only affects the dot. This quick start explains the syntax supported by the most popular regular expression flavors. In the details view a numeric spin control was chosen by XAF as its editor, and I can find no way to change that choice. They each take a RegExp literal as first argument. Babel is using the bankers round method of rounding, which rounds to the nearest even number on 5. Fix two clang compiler warnings in pcre2test when only one code unit width is supported. One advantage of bad perl is that bad perl is quickly obvious. GitHub Gist: instantly share code, notes, and snippets. The parsing demo above uses the regular expression '[^,]+' which does not work when there is a NULL element in the list. This is a WikiProject, an area for focused collaboration among Wikipedians. Official Google Search Help Center where you can find tips and tutorials on using Google Search and other answers to frequently asked questions. If you are wondering what is difference between a singly and doubly linked list, well in singly linked list you can traverse only in one direction from head to tail, or from first to last element because every node has address of only next node. Panel, { //Properties region: 'north', id: 'BannerBar', border: false, collapsible: false, split: false, layout: 'fit', //Override. For example, 3. The maximum number of digits (n) expected to the left of the decimal character (e. What is the regular expression for a decimal with a precision of 2? Valid examples: 123. You are then left with only one non-digit character in each string which is taken care by the outer regex replace loop. Mutt is a small but very powerful text-based MIME mail client. Most VB string-handling functions return a string, although some return a number (such as the Len function, which returns the length of a string and functions like Instr and InstrRev, which return a character position within the string). For example, decimal number 123. Regular Expression to allow numeric only Hello i need regular ex which allows numeric only and if user gives decimal values then only one dot is allowed. The effect is that if the new process fails to start, only one of the old ones will be able to rebind to the socket. In contexts where standards limit the decimal_point to a single byte, the result of specifying a multi-byte operand shall be unspecified. I took your question and the title to be one and the same. 0 or 10 is acceptable It can have only 2 digits before the decimal point and can java script to validate decimal point (HTML Pages with CSS and JavaScript forum at Coderanch). This method can be used if you need to handle queues without a binding file (in case the jmeter-jms-skip-jndi library is used), which only works with the JMS Point-to-Point sampler. Regular expression exercises. Enable Regex. This time, for some reason, I decided to take a look at my underlying assumptions. For example, CHAR(30) can hold up to 30 characters. To see what the tokens are, just use a for loop:. Feel free to edit those configuration files to set up your own specialized system. 95 (with the decimal point) it doesnt add another one?. NET, Matthew Barnett's outstanding regex module for Python, whose features far outstrip those of the standard re module, and the JGSoft engine used by Jan Goyvaerts' software such as EditPad Pro. \\d" is succeeded by + instead of *. Officially, XAMPP's designers intended it for use only as a development tool, to allow website designers and programmers to test their work on their own computers without any access to the Internet. Set the regular expression to validate the input using ng-pattern. Upgrade RunTest to automatically re-run test 2 with a large (64MiB) stack if it fails when running the interpreter with a 16MiB stack (and if changing the stack size via pcre2test is possible). The advantages of placing the commands in a script go far beyond not having to retype them time and again. If you need only one script argument, you may omit the -e and use the first form of the command. 567= invalid. The above regular expression matches “alex”. According to your description, I noticed that you'd like to make a validation that allows only decimals numbers in asp. In Java, the regex token \uFFFF only matches the specified code point, even when you turned on canonical equivalence. Lesson 4: Excluding specific characters In some cases, we might know that there are specific characters that we don't want to match too, for example, we might only want to match phone numbers that are not from the area code 650. Let’s explore the following 10 practical regular expression ~ enjoy. Only one of the second and third patterns is matched. Rather, the application will invoke it for you when needed, making sure the right regular expression is. $\endgroup. These character type sequences can appear both inside and outside character classes. If the RE is being used at only one point in the code, then the module functions are probably more convenient. txt * // ***** define('mPDF_VERSION','6. The regex I have, right now, will allow only numbers, but I can't figure out… Hello, all, I'm trying to come up with a replace regex that will allow either a single zero, or will allow a number. In JavaScript, regular expressions are also objects. By continuing to browse this site, you agree to this use. Multi-line mode only affects anchors, and single-line mode only affects the dot. If option is given without value it is enabled. Officially, XAMPP's designers intended it for use only as a development tool, to allow website designers and programmers to test their work on their own computers without any access to the Internet. If you modify the input's 'length' parameter, then the user. When setting this flag (ProcessAsX=True) in the associated module’s XML. So many sites (incl. However, if there’s a possibility the string will have a Social Security number without the dashes, you’d want to change the regular expression pattern to:. The latter is basicly the same as the reverse match i. Here in our 2nd textbox, we added allow_decimal class and on its event will allow a user to enter decimal values. ' alone matches any single character in regular expression, so an escape character \\ should be added before '. The precision must be a value from 1 through the maximum precision of 38. 03/30/2017; 33 minutes to read +10; In this article. num (and point) align the decimal point in the data, which is assumed to the right if none is present. Matches only the item at the point where the previous match ended. 01; Implementations SHALL handle decimal values in ways that preserve and respect the precision of the value as represented. I am facing difficulties while I am entering a decimal point. Example 1 − In this Example, IntValue can be used as a String, Integer or even arrays. If the G_REGEX_UNGREEDY flag is set, the quantifiers are not greedy by default, but individual ones can be made greedy by following them with a question mark. Some rules allow the optional attribute dynamic of type boolean that defaults to false. Matches an unlimited number of digits to the left of an optional decimal point. s (scale)The maximum number of decimal digits that can be stored to the right of the decimal point. We use it to format pieces of information to make it easier to read and scan visually, and a single space can put a wrench into the simplest regular expression. Linq; public class Program { public static void Main() { string myString = (720000. Can any one provide me the javascript function to limit the decimal values upto 1 for ex: 233. If the floating point values are large and may exceed the 'float' field length in which case the entire value may be lost, it is actually suggested to use Numeric (unsigned) and thus trim only the decimal part. \\d" is succeeded by + instead of *. What is the regular expression for a decimal with a precision of 2? Valid examples: 123. Below are a few basic functions complete with details on how to utilize them. A regular expression is a pattern used to match text. We have an input box and it must accept only numbers, and it should not allow other characters as input. However, most versions of sed do not recognize the '\t' abbreviation, so when typing these scripts from the command line, you should press the TAB key instead. It is widely used to define the constraint on strings such as password and email validation. For example, suppose that we choose 3 as a mantissa. 567 = invalid +134. If the decimal point is present, it must be followed by exactly two digits to the right. The second letter is an uppercase letter A through Z, to indicate Control+A through Control+Z. 44, need to adjust the regex. Meaning that I want only 2 number before the decimal and one number after the decimal. Afraid I don't know much about python, but I can probably help you with the algorithm. 3 and improved in 3. Page 1 of 2 - Automatically enter a decimal point as typed - posted in Ask for Help: Is it possible to automatically put a decimal point in to a set of numbers, preferably as I type them in, or maybe when I press enter, so 2995 becomes 29. Lesson 9: All this whitespace When dealing with real-world input, such as log files and even user input, it's difficult not to encounter whitespace. firstNonSpace, if true, the rule only matches, if the string is the first non-whitespace in the line. IGNORECASE option to the compile or match function. And if dot character is added it will look for decimal places upto 2. PowerShell has several operators and cmdlets that use regular expressions. Hey guys, in this video I'll show you how to make a TextBox only accepts decimal/floating/double numbers in C#. They form an important underpinning of the -split and -match operators, the switch statement, the Select-String cmdlet, and more. 53 <--- Not working. In the example shown, the data validation applied to C5:C9 is: = ISTEXT ( C5 ) How this formula works Data validation rules are triggered. * defaultHeight - Default height for plots where no css height specification exists. A user can select only one option from a drop-down list and therefore it resembles just the radio button in its functionality and not the checkboxes, right?. More Regular Expression Exercises to match decimal numbers. Since regular expressions deal with text rather than with numbers, matching a number in a given range takes a little extra care. The toFixed() method converts a number into a string, keeping a specified number of decimals. Lester Lobo in his blog provides not one, but two converters: his own ArithmeticConverter and JScriptConverter by Douglas Stockwell. \d+)?$ Notes: The ^ and $ anchor to the start and end basically saying that the whole string must match the pattern. These languages allow the programmer to specify an implicit decimal point in front of one of the digits. The Regex Evaluation step matches the strings of an input field against a text pattern you define with a regular expression (regex). Better Together: Foxtrot RPA & NWC – Starting a Bo This blog post will kick off a small series that I have in mind about how Foxtrot RPA and Nintex Wor. Assertions check for a match, but do not count towards the total match length. In XML Schema 1. how to write java script function? Example A User Enter 12. Ex: 2 Your current regex currently allows zero or one period, so this part is fine. The maximum number of digits (n) expected to the left of the decimal character (e. Enable or disable regular expressions. 3 and improved in 3. In the normalized form, there is only a single non-zero digit before the radix point. "Selecting" an actual option from the autocomplete adds "^" to the front and "$" on the back, uses the DataTables search with regex = true, and reduces the table just to the Georgia games. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). These character type sequences can appear both inside and outside character classes. Both the SharePoint Designer and InfoPath solutions use Regular Expressions. The regular expression engine in. Decimal numbers do not have leading zeros but they might have trailing zeros. I have field that is used in calculations later in the form and it rounds visually but it calculates the way it was entered, causing a miscalculation (user enters. Only one regex line should be uncommented when the program is run. (must also need to look -# at rounded corners) - -# Next Up: -# - why are marker-start, -end not removed from the style attribute? -# - why are only overflow style properties considered and not attributes? -# - only remove unreferenced elements if they are not children of a referenced element -# - add an option to remove ids if they match the. null¶ If True, Django will store empty values as NULL in the database. Write(outputstring);. 56: percentageEU2dec: Same configuration than French, but display a percent % sign instead of the currency sign, with 2 decimal places: 12,34 %: percentageEU2decPos: Idem above, but only allow positive values: 12,34 %: percentageEU2decNeg. The first two arguments, if given, specify the beginning and end of the sequence, and if these are the only two arguments given the result is the same as the colon operator. To allow numbers with an optional decimal point followed by digits. it should allows 12 numerics values and 2 decimal values only. A regular expression "engine" is a piece of software that can process regular expressions, trying to match the pattern to the given string. The period / dot is a special character in regex, you have to escape it either with a double backlash \\. A primary key is used to relate a table to foreign keys in other tables. It will take and focus out it will turned it into 0. 6m developers to have your questions answered on Textbox accept only numbers and 2 digits after decimal point of UI for ASP. A range of characters may be specified by giving the first and last characters, separated by a hyphen. Executable. If the E form is used, then E is printed instead of e. , match one of the words mail, letter or correspondence, but none of the words email, mailman, mailer, letterbox, etc. Forcing your visitors to choose only one of those formats by not. Matches any one of a set of characters. // 'obj[prop]' is the reference indicated by 'path'. A regular expression is a way of specifying an ambiguous pattern to search for. ) The plus sign (+) is used to indicate that consecutive delimiters should be treated as one. Need help on a REGEX formula. Learn more. the one I manage) do not allow this, it's crazy. Many of these options can be specified either inline (in the regular expression pattern) or as one or more RegexOptions constants. "Selecting" an actual option from the autocomplete adds "^" to the front and "$" on the back, uses the DataTables search with regex = true, and reduces the table just to the Georgia games. # All rights reserved. you can't add the. A word character is a character from a-z, A-Z, 0-9, including the _ (underscore) character. How can I use Windows PowerShell to round a number to a specific number of decimal places, and continue to have a number instead of converting it to a string. 0 to allow number and date formatting. A logical AND of (\\. If the floating point values are large and may exceed the 'float' field length in which case the entire value may be lost, it is actually suggested to use Numeric (unsigned) and thus trim only the decimal part. Nesting quantifiers (for example, as the regular expression pattern (a*)* does) can increase the number. NET AJAX Grid. I now want to set up a validation rule that checks that text field to only allow numbers with 5 decimal places or less using the REGEX function. $\endgroup. Set the regular expression to validate the input using ng-pattern. Decimals not mandatory, unless no zero in ones column and decimal point is placed. Hi is it possible to use regular expressions in decimal basic , i see many TRegExpr occurences inside basic. 56 and then come back enter dot(. boot camp. The rule only matches, if the current column matches the given one. John Angelini Leader/Founder Philly XAML. Regular expression control characters Control characters are metacharacters, operators, and replacement text characters that can be used in regular expressions. x} is {point. The message: option sets the mail body. However, the standards committee have ruled that function calls do not overlap. Usually singletons are used for centralized management of internal or external resources and they provide a global point of access to themselves. Regular Expression to regular expression for positive decimal numbers,decimal regular expression validation,regular expression non negative decimal,regex for number with 2 decimal places,regex decimal number c#,regular expression for decimal number with 2 precision,regex to check decimal values,regular expression decimal 2 digits. Lester Lobo in his blog provides not one, but two converters: his own ArithmeticConverter and JScriptConverter by Douglas Stockwell. Note also that PCRE_UCP affects \b, and \B because they are defined in terms of \w and \W. When you build a regular expression, you specify a string that input must match. Technically, a code is restricted to string which has at least one character and no leading or trailing whitespace, and where there is no whitespace other than single spaces in the contents regex: [^\s]+([\s]+[^\s.