Regex not allow space between words

Regex not allow space between words. Dec 20, 2012 · I wouldn't consider a string with 0 occurrences of numeric values/spaces a string consisting of numeric values/spaces. It should ignore leading and trailing spaces. We can use the following regex explained with the help of sed system command. To match a word without spaces to remove them: ^[\w-]+$. And this is what I have done so far: ^(([A-Za-z]+( [A-Za-z])+){1,50})$. This is anexampleof what I want should return anexampleof if my search word is example. ( [ew]) (\d {1,2}) if you also want to match single digits like e4. 645. Also I cannot use trim or replace. Example. 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. I think the simplest is to use a regex that matches two or more spaces. The brackets are called capturing groups and could be back referenced in a search and replace, or with python, using re. Note: This will allow any number of spaces anywhere in the string. And if you require an exact number of spaces . That means it does not accept any symbol besides numeric values and spaces. Following is my regex: /^([^\s]*\s[^\s]*){0,2}$/. allowing 1 to max 2 spaces within my text however, its failing when there are NO SPACES at all in my In other words, match "stackoverflow" if it's not preceded by a non-whitespace character and not followed by a non-whitespace character. May 3, 2024 · To use a regex in KoboToolbox, follow these steps ¶. – polkduran. Sep 11, 2017 · I need a regexp that fails in every character is outside [a-zA-Z0-9_&amp; -] Space between characters is allowed, but not empty spaces. Note that if you want to match 1+ non whitespace chars instead of word chars you could use \S+. I m using the following regex for the same: ^\S. / +/. \w+\s\w+. I'm in the process of creating a regex expression that removes spaces in the beginning and end. If you want to find whitespace between words, use the \b word boundary marker. compile("[^\w]") var = pattern. ^[^0-9. Edit: Here's an example: If your string is abc123def May 30, 2019 · need regex, to allow space at the beginning but not allow in between of words. Mar 8, 2014 · Here is how your input was matched using the regex: SELECT CASE WHEN state IN. You need to match whitespace with \s+ and remove it using regex-based search and replace. Dec 5, 2014 · 3. I'm currently testing the expression using Webstorms built in May 31, 2016 · hello. _]*[a-zA-Z0-9_]*[^0-9. Here, \b word boundaries require a word char (letter, digits, _) before and after a chunk of 1+ whitespace chars. Invalid examples (Consider _ as space): Feb 17, 2009 · However, would it be possible to edit it to allow one space between words? Here is what I've got: '/^([a-z0-9])([a-z0-9_\-])*$/ix'. \w]+\. Probably better understandable would be to remove space characters first. Add the text into some file say test. Jan 1, 2013 · But if you wanted to write an excluded group of characters in your regular expression you can put a ^ in your group. Here is the regex: Dec 2, 2018 · I need regular expression to not allow only whitespaces in a field(the user should not enter just whitespaces in the field) but it can allow completely empty field and it can also allow string with whitespaces in between. ^ : Inside the char class ^ is the negator when it appears in the beginning. If you want to match any whitespace character (including tabs, etc. regular expression for number and spaces in the Sep 21, 2011 · I am trying to create a regular expression where the user should enter just a word or words with space between them and its length must have a limit [1 to 32]. In this tutorial, we're going to cover regex basics with the help of this site. RegEx Demo. It does not work when there happens to be a linebreak between "This is" and "sentence". If you use /\S/ it will only match any non-whitespace char, anywhere inside a string. For example, these should all match: abc abc def abc123 ab_cd ab-cd I tried this: ^[a-zA-Z0-9-_ ]+$ but it matches with space, underscore or hyphen at the start/end, but it should only allow in between. _]$ Mar 18, 2019 · The . 149. For example, the regex pattern [^0-9 May 20, 2014 · regular expression put space between number and character. Regex To Match Any Word In A String Excluding Spaces. How to allow space in numeric regular expression? 0. At least one word character, then a space (or tab, or what have you), then at least another word character. U+0009 CHARACTER TABULATION. mozilla. I need something like this: not-match match not-match. – Mar 20, 2013 · Requirements for regex are -. \b\s+\b. Using this, you can check, if there is at least one non-white-space character with ^\S+$. )*$". However the editor ignores these extra spaces while Regular expression to allow spaces between words. You can add the RegEx character \s to your regular expression, allowing spaces, whitespace and line breaks: ^[a-zA-Z\s]*$ Or, like the other posters said, use a space, to only allow spaces: ^[a-zA-Z ]*$ May 2, 2013 · It's exactly as easy as one might think: add a space to the regex where you want to match a space. ^^^^^^^^. For the other missing characters simply add them. 333k 58 512 566. Feb 12, 2014 · I'm trying to write a regular expression to remove white spaces from just the beginning of the word, not after, and only a single space after the word. My current code is:-. I am using this. ^[a-zA-Z ]+$. \s\w*\s ). \s : short for a white space. All(x => char. I am trying to establish the following but I am unable to. Returns the full name of the series with the separator needed to make it pretty (ie, replace it with space or what you want). /([^\s]+)/ Click To Copy. 420k 98 592 738. How can I extend the regex pattern to cover spaced words having space between them or words combined with numbers, for example: full name:jones hardy|city and dialling code :london 0044|age:23 years May 29, 2013 · 13. Say, as in you example above, you want to match \+. Feb 19, 2016 · 18. In other words your regex has overlapping. The regular expression [^A-Z] would match any character NOT A-Z. This removes the whitespace in the beginning but allows space at the end. However, it becomes true as soon as you enter a-z, A-z or 0-9. Sep 16, 2022 · To allow space between words, use this regex /^\w+( \w+)*$/ it will return true if value contain space between words and false if space have in the left or right side and it’s also return false double space between words. Only allow the special characters - and '. The above one is partially working fine i. In the following discussion, I'm going to use <space> to represent a single space, since a single space is hard to see in short code snippets. Aug 1, 2023 · Some practical examples of using regex are batch file renaming, parsing logs, validating forms, making mass edits in a codebase, and recursive search. No double-spaces - If the user types the space key more than once, do not allow. *\S$. Key == Key. Sep 12, 2023 · One way to perform a “not match” operation with regex is by using the caret (^) symbol. Mar 1, 2020 · The following Regex checks for a number which starts with 6, 8 or 9 and has to be exactly 8 digits long. Later on, I will introduce some regex challenges that you'll solve using Python. The (?!\s+$) lookahead is executed once at the very beginning and returns false if there are 1 or more whitespaces until the end of the string. Its just ignored the CASE ad the state words from the regex. If you want to match all whitespace (space A word boundary, in most regex dialects, is a position between \w and \W (non-word char), or at the beginning or end of a string if it begins or ends (respectively) with a word character ( [0-9A-Za-z_] ). ^[-@/ a-zA-Z0-9\u00C0-\u024F\u1E00-\u1EFF]+$'. For example - 'Chicago Heights, IL' would be valid, but if a user just hit the space bar any number of times and hit enter the form would not validate. I want to validate no leading and trailing space and single white space in between words, words can include anything alphanumeric as well as 160. Tim Pietzcker. Adrian. Regexper. This allows me to validate the spaces between words and only letters conditions but it is not working for the length and it's not working for words without spaces, example: hello. \b\h+\b. ) you can use \s to match any whitespace character. 1. For instance, it should accept below line; wordX[space]wordX[space][space][space]wordX but it should not accept that: [space]wordX or wordX[space] or only [space] Jun 6, 2013 · 28. Hot Network Questions Jan 29, 2017 · How can I reject leading space and ending space and allow only one space between characters in JavaScript ? I tried many patterns, here is last one: ^[^-\s][a-zA-Z0-9_\s-]*$ But this doesn't allow space at all. Memories of using a mouse to highlight a space to ensure it was only one space comes to mind. (The reason your match failed is that \\p{L} includes the character in a match. For the pattern you could repeat the character class one or more times, and as only a space is allowed between the words, optionally repeat the same character class preceded by a space. I have a regular expression that is doing that exactly, except for the scenario that someone were to remove the space between the name and version number. Go to the question’s Settings. How can I match a space character in a PHP regular expression? I mean like "gavin schulz", the space in between the two words. 0. I am trying to get an angular ng-pattern to check that a username has no whitespaces or special characters. Spaces at the start or at the end are consider to be invalid. Prepare a Text question type. This will break your regex: , but this won't: [ ], because repetition in a character class is ignored. Then, click on ‘Replace All. Regex To Remove Unnecessary Spaces In A String. Jan 20, 2022 · In my answer, assume that I am validating for a string length between 5 and 10 characters (instead of 5 and 255). In the Validation Code box, enter your regex formula between the quotation marks (' ') of the regex(. 3) Submitted by - 9 years ago. PCRE (PHP <7. Jan 25, 2011 · Thus when your string has a character that is not A-Za-z0-9_ -, the regular expression will match, and your statement will return FALSE. Note: Spaces may be spaces or tabs. match zero-or-more (instead of one-or-more) repetition of \S. The \A (start of string) and \Z (end of string) anchors are not supported by JS RegExp. ). _-]+ since \w contains [A-Za-z0-9_]+: 129. See my JavaScript code here: function jsPreventNumeric(obj) { obj. Your regex needs to just look like this: ( [ew]) (\d {2}) if you want to only match specifically 2 digits, or. Here is an example of what I hope it would do: Testing space was before this part word space after this part this part shouldn't count. If you use /^\s|\s*$/ it will match a whitespace at the start or any 0 or more whitespaces at the end. For ex: "abc abc" - invalid " abc" - valid Jun 24, 2016 · I need validation for Full name text box which should avoid numeric and special characters, but allow space between words. answered May 2, 2013 at 14:06. See Also: Regex To Match All Whitespace Except New Line. Go to Validation Criteria and choose the Manually enter your validation logic in XLSForm code option. Single word name is also valid : ^[a-zA-z]+([\s][a-zA-Z]+)*$ Single word name is in-valid : ^[a-zA-z]+([\s][a-zA-Z]+)+$ Feb 23, 2017 · I'm trying to build a regular expression with the following conditions: Only two words allow one space after the last word Maximum length 50 like ("firstname lastname ") Thanks. Another way to address the issue of extra spaces is by using regular expressions. but it doesn't work in several reasons, at least it still matches at leading and trailing position any non-whitespace symbol even if it's not white-listed. your replace string should look like. Regex demo. One space between words (no more than one space) Maximum length 50. sub. I am trying it in ZK framework and tried this code. when copy/pasting), the expression validates to false. You can use a negative lookahead to restrict this generic pattern: /^(?!\s+$)[A-Za-zăâîșțĂÂÎȘȚ\s-]+$/. The original specification isn't very clear if this is the intended behavior, but if an empty "text" is allowed, then simply use \S* instead, i. hello space . ^[ \t]*\w+[ \t]*$. I want to improve this regex to prevent the following: No leading/training spaces - If the user types one or more spaces before or after the entry, do not allow. <text field only accept numeric values and spaces>. So I want to allow trailing and leading spaces on the above expression. "Ñ", or a number, should fail according to the question and using trim is simply not functionally equivalent. If anyone has any ideas please post! Feb 15, 2012 · Special Characters & digits Are Not Allowed. I now have this regex "(?:^|\S*\s*)\S*" + searchword + "\S*(?:$|\s*\S*)" but this gives me an extra word in the beginning and the end. Space; } Nov 30, 2012 · Most regular expression engines support "counter part" escape sequences. Just add a space or \s (to allow any space character like tab, carriage return, newline, vertical tab, and form feed) in the character class. , ' ') format. I am using [a-zA-Z0-9_\s-] because I just want to allow English characters. g. answered May 16, 2010 at 7:04. after regex it will become: var = "hi this is test". Also returns the season number or the year for the movie/series, depending on Oct 8, 2019 · 0. matches a period rather than a range of Feb 3, 2017 · <code>\s*<pre> \s stands for any white space character * means zero or more times In order to match <code><pre><code><pre> with any white space characters between them, you can add \s* between the tags, similar to: Apr 9, 2014 · The regex in the question is alpha-only - using trim you can't enforce a character range e. In regex, the caret symbol has a special meaning when used at the beginning of a character class. and then replace it with an empty string. Also, when you define a regex using a constructor notation, you are using a string literal where backslashes are used to form string escape sequences and thus need doubling to form regex escape sequences. Futhermore, it won't match single letter word even if it matches to the expression. Jan 21, 2021 · 8. Nov 21, 2021 · 1. Not allow space before and after the string. U+00A0 NO-BREAK SPACE (not matched by \s) U+1680 OGHAM SPACE MARK. 2. 3,608 2 22 35. Dec 5, 2013 · I have to check expression in java script to allow only follow formats in my textbox: first three positions letters/numbers one space another four positions only numbers asd 1234. 81. Nov 22, 2012 · 2. but this regex is not working in case of multiple spaces in between words. /^(6|8|9)\d{7}$/ Now I want to accept one space in between digits as well, but don't know where to start. Only Ram Should be also valid. In the actual regular expression, you must use an actual space character. You could update the code to placing the pattern between quotes and add delimiters / around the pattern. I have got /^([a-zA-Z0-9]\d{3})\s+(\d{4})$/ Which is not working please help/ Thanks Regex demo. Jun 11, 2010 · Can the "text" part be empty? The above pattern does NOT match, say, an empty string. ^ m1 ^ ^ m2 ^ ^m3^. or . Spaces work just like any other character in regex. Jun 3, 2014 · I need help with regular expression. Jul 27, 2023 · 2. I now validate email addresses like so: [-+. Below is the explanation of the regular expression: ^ Assert position at start of the string \w+ Match any word character [a-zA-Z0-9_] Quantifier: + Between one and unlimited times, as many times as possible, giving back as Jul 11, 2013 · My first approach was to match anything between two double quotes, so I came up with the following regex: "\"(\\w+\")" and "\"(^\")" But this approach only works if there are no spaces between the two double quotes, like: "Whole" Lotta Love So I tried to modify my regex to match spaces, and this is where I got lost. test("hello 8943")) Feb 13, 2016 · The only allowed characters are A through Z, 0 through 9 or spaces. May 24, 2011 · Not sure the question is about how to do this in Sublime Text but mostly works in Sublime Text. The regular expression [A-Z] would match any character A-Z. Also, the first one will only match lines that contain two or more spaces and nothing else. Spaces are only allowed between two words. Jul 9, 2015 · Bohemian ♦. var regexp = /^([a-zA-Z]+\s)*[a-zA-Z]+$/; but it's not working. That means that empty string does not violate the condition. Oct 30, 2015 · I'm looking for a regular expression that allows me to select words surrounded by whitespaces. To check for non-whitespace, use \S (capital S). Regular Expression To Match Whitespace. – Michael. It negates the character class, effectively excluding any characters that match the pattern within the character class. asked Jul 9, 2015 at 6:25. Handled to true if spacebar has been pressed, just like this: private void TextBox_PreviewKeyDown(object sender, KeyEventArgs e) { e. A regular expression that can be used to match and delete unnecessary whitespace between words in a string. So simply put, use regex to match space, then one or more spaces as a means to Feb 6, 2014 · You'll need to anchor the regex at the start and end of the string: expression="^[A-Za-z][A-Za-z0-9]*$". For more info look at section POSIX character classes (US-ASCII only) in this document. Try the following instead: ^[A-Za-z']+( [A-Za-z']+)*$. Regex Match all characters between two strings. Aug 8, 2016 · 3. I like your answer the most because it doesn't match empty strings, such as, ' ' (ie, a bunch of spaces, apostrophes not included, just for visualization). Aug 5, 2013 · Your regex, ^[\w ]+$, allows one or more of any combination of word characters \w or spaces, included several spaces in a row or nothing but spaces. Jan 21, 2016 · Hyphen, underscore, space and numbers are optional, but the first and last characters must be letters. Nov 14, 2018 · underscore should not be allowed before or after any numeric value. The similar regex can be used in other languages and platforms. Which breaks down as delimiter ( /) followed by a space () followed by another space one or more times ( +) followed by the end delimiter ( / in my example, but is language specific). This pattern validates input value contains string1 or string2 but does not validate spaces. Match a word with space beside. [^-\s] [] : The char class. regex. Spaces can be found simply by putting a space character in your regex. Here's what it looks like: answered May 29, 2013 at 13:28. '\w]+@[-. IsLetter(x) || char. Or you can match non-whitespace parts into capturing groups, and then join them. Aug 23, 2017 · The regex to match whitespace between words is. Spaces should not be allowed at the beginning or end of the field. val Apr 9, 2015 · I'm trying to write a Regex in C# that doesn't allow spaces (at start, at end or in string) and specific strings in input value. Jul 11, 2014 · I have this regex pattern ([^\s|:]+):\s*([^\s|:]+) which works well for name:jones|location:london|age:23. This would match a single space between two words: "\b \b". \w matches alphanumeric characters so it could also match "hello 1" for example. You need. (The system see here only one space between words, but there are 2 spaces) Oct 17, 2013 · 22. log(regex. I want to try and extract all of the text between either of the two groups of spaces, this is what I've tried so far: Oct 1, 2014 · Only letters. \s_-]+$ ^ asserts that the regular expression must match at the beginning of the subject [] is a character class - any character that matches inside this expression is allowed; A-Z allows a range of uppercase characters; a-z allows a range of lowercase characters. Allowed input examples: group1, group 1, Group1, Group1 &a However, if you are looking for an equivalent to trim (), you can match white space before and after a string with: ^[ \t]+|[ \t]+$. A - is best added first in a character class to ensure it is not interpreted as range. "space or no space" is the same as "zero or one space", or perhaps "zero or more spaces", I'm not sure exactly what you want. Jun 29, 2023 · No numbers. const regex = /^\w+( \w+)*$/; console. return val. gyula. Can you help me create it? Have a following expression: ^[^\s][A-Za-z0-9\s]*[^\s]$. In Notepad++, in order not to overmatch across lines, \s can be replaced with \h, horizontal whitespace pattern. makes sure that not just a substring but the entire string is matched by the regex. For example both 61234567 and 6123 4567 should be allowed, but only the first one passes my current regex. 249 3 7 12. If your string is made up entirely of A-Za-z0-9_ -, then the regular expression will fail to match, and your processing will continue to the next line. \w]+. sub('', var) I know \w will remove all whitespace characters, but how to exclude space only? Example: var = "hi this is test!@#$%%^^". I have used this regex: var regexp = /^\S/; This works for me if there are spaces between the characters. # Whitespace. and one more thing, it doesnt allow you to enter a single character. Python. Also note that your ranges \u00C0-\u024F and \u1E00-\u1EFF add a lot more than just Dec 1, 2014 · I am trying to create a regular expression that will allow up to 50 characters for a name plus up to 8 additional characters for a version number. If you want to allow only a single space between first name and last name. PCRE for PHP has several of these escape sequences. e. Aug 29, 2014 · Not Allow any space when nothing entered in textbox. You have mandatory space ( \s) at the both sides of the word (i. Also, your regex contained a classical issue of [A-z A regular expression to match any word in a string until meeting spaces. Test Case: User might enter: Mar 4, 2013 · How do I exclude spaces from regex, but will not ignore on special characters. manjeet-laptop:Desktop manjeet$ cat test "The dog has a long tail, and it is RED!" We can use the following regex to replace all white spaces with single space Nov 24, 2022 · In the ‘Find what’ field, enter two spaces, and in the ‘Replace with’ field, enter one space. That is, total number of spaces between words or characters should only be one. Because the space before the CASE was picked by the SELECT. I'm using yup and formik with react and typescript. ’. This can be modeled as a look-ahead assertion: Now Dec 1, 2017 · The regex you're looking for is ^[A-Za-z. Right now it does validate for things like: ' this is a string with spaces before', but this case could be invalidated by removing the \s at the beginning of the pattern (although I'm keeping it as it's usef Mar 27, 2020 · 1. This method removes all instances of extra double spaces between words in the whole document. pattern=re. Remove any additional blank space if found between parts of names (allow only one space between parts of name - if multiple middle names) Allow diacritics. The obvious pattern /\s(\w*)\s/g does not work because end of line is considered as whitespace. Whitespace can be found with \s. tsm. Let’s see short example to use regex in javascript. I need to allow no spaces at all or a maximum of 2 white spaces within my text string. The following form return false if you enter whitespaces or special characters. My suggested pattern will allow leading spaces, match the first word-or-dash character, then match any character 3 to 8, then the last word-or-dash character, then allow trailing spaces. This ignores digits, underscores, whitespaces etc. I am able to achieve most of it, but my RegEx pattern is also allowing other special characters. [-. If you only want to allow spaces in-between, but not before/after, you can use ^\d( *\d){9}$ instead. It should allow only one space between words. //My logic executes if it matches the pattern. I am using a regular expression to make sure that I only allow letters, number and a space. This Regex is a bit niche and I'm really struggling to get it down. That is, for \s (white-space) there's its counter part \S (non-white-space). A neat regex for finding out whether a given torrent name is a series or a movie. allow space between two word using regular expression. U+0020 SPACE. How can i modify the below RegEx pattern to not allow any special character apart from underscore that to in between strings. Matching discontinuous text with regex is not possible. 1+3+1 gives the minimum 5 characters and 1+8 11. I have tried ng-pattern="/ [^\s]+/" and \S and [^ ] but they make no difference. You don't want \w either, because it matches "word" characters where for some reason "word" has been defined as including digits and underscores. Which means that if users accidentally have a trailing or leading space in that address (e. jQuery selector regular expressions. zk. Jul 6, 2018 · This regular expression ^\w+(\s\w+)*$ will only allow a single space between words and no leading or trailing spaces. Here is what I have so far: /^[^\s][a-zA-Z0-9][a-zA-Z0-9-_]*$. The whitelist is A-Z, a-z, 0-9, whitespace. This is neater (IMO) than the "space-or-anchor" approach, and it doesn't assume the string starts and ends with word characters like the \b approach does. The dash is not a word character. IsWhiteSpace(x)); } If you want to allow space only between two words then you can also use Split like this: public bool IsCorrectString(string val) {. Used RegExp: var re = new RegExp(/^([a-zA-Z Apr 9, 2011 · I need to write a regular expression for form validation that allows spaces within a string, but doesn't allow only white space. 707. Feb 15, 2018 · 1. - : a literal hyphen. -]+ from [A-Za-z0-9\. I made a mistake, now all the characters from words have been split by a single space, and the words have been split by another space (that means 2 spaces). Only one space is allowed between two words. Allow Space in between two keyword like Ram Singh should be valid. See the regex demo. 123 1233. I need a expression in JavaScript which allows only character or space or one dot between two words, no double space allowed. How can i incorporate space character in above pattern? Thanks in advance. not-match match not-match Apr 19, 2013 · Regular expression: word between spaces. Dec 12, 2022 · to allow only alphanumeric chars, dots and hyphens in words; 1+ spaces are allowed between words, but not leading and trailing spaces; Here is a solution that allows multiple spaces (+ instead of ), and simplifies the word regex to [\w\. Example "Example String" (the expression allows one space between example and string) An even more adventurous example: "Another Example String" Still allows a space between words. Sep 21, 2010 · \w means 'word characters', that is, alphanumeric and underscore, but not other non-space characters. Sandbox link to an example using Formik and Yup for validation for the email field and using onKeyPress to restrict only a-z and A-Z for the name field Firstly; Never put a space in a regex. Also, sublime text also selects "This is" and "Sentence" rather than only the text between those two strings. [^\s-] should work and so will. Dec 11, 2012 · 3. Mar 18, 2021 · You can use Formik and Yup to validate and disable the submit button based on the rules , but it will not help you restrict the input , you will need to handle that in onKeyUp / onKeyPress . If you would like to remove any white space character anywhere in the string, then you could use the below as your match: [\s\n\r]+. M y M o t h e r i s v e r y b e a u t i f u l. Jan 16, 2023 · You can use ^( *\d){10} *$ to match 10 digits with space characters before/after or in-between them. So, in the string "-12", it would match before the 1 or after the 2. Oct 19, 2012 · I want the user to allow spaces at the beginning and at the end as optional, so I changed the regex as below but it didn't work. The key observation here is, that a word is outside quotes if there are an even number of quotes following it. Jan 1, 2015 · *NOT a regex answer, I had the same issue with the space char's I fixed this by adding PreviewKeyDown on the TextBox and setting e. This will match tab and space from the ASCII set, non-breaking space from extended ASCII, or any of these Unicode characters. I want to find the words in a sentence between spaces. space hello space - not allowed Apr 8, 2015 · I'm using <f:validateRegex pattern="[a-zA-Z]*"/> for ensuring that entered values contain alphabet only, it is working fine but it is not allowing to take space in the string. Th See full list on developer. When the ^ is inside of a group [^] any characters that come after it are excluded from the match. Aug 12, 2010 · The cleanest solution is to use the horizontal whitespace character class \h. org When dealing with real-world input, such as log files and even user input, it's difficult not to encounter whitespace. Handled = e. Doing so will make your regex unreadable, and unmaintainable. I want to not allow spaces anywhere in the string. Chat GPT gave the following: Aug 17, 2016 · 14. Use \p{Alpha} which is an alphabetic character: [\p{Lower}\p{Upper}] With the above your regular expression will be \p{Alpha}+, which matches one or more of alphabetic characters. Dec 20, 2012 at 13:35. hello - not allowed 2. alphanum() makes your check ignore whitespace. Actually, you can match all instances of a regex not inside quotes for any string, where each opening quote is closed again. So the words till the first space before and after the search word. but this is not allowing space in between two keywords. Matches: Non Matches: Test abc --> I wanted to include multiple spaces between the 2 words. This is what I have: @"^((?!string1|string2). Mar 12, 2014 · You can do it with LINQ in one statement: public bool IsCorrectString(string val) {. For example if I enter strings such as "This is a test" or "testing", the regular expression should pass validation. Matches: This Is Word; Non-matches: Any spaces found in a string; See Also: Regex Match All Characters Except Space (Unless In Quotes) Regular Expression To Match Whitespace; Regex To Match Spaces And Empty Lines That Aren’t In Quotes Oct 24, 2013 · 1. A hyphen is a meta char inside a char class but not when it appears in the beginning or at the end. If leading and trailing spaces also should be considered, you could match optional leading and trailing tabs and spaces. xk rf ra ul in ds pz qk ob dh