Include hyphen in regular expression

WebMar 17, 2024 · The hyphen can be included right after the opening bracket, or right before the closing bracket, or right after the negating caret. Both [-x] and [x-] match an x or a … WebJun 12, 2013 · Here is my regular expression . I want to include single quotes (') within the characters such as (O'Neal Nickel). Here is my regular expression allowing letters and spaces and full stops (.) and (-) hyphens /^ [A-Za-z\/\s\.-]+$/; regex Share Improve this question Follow edited Jun 12, 2013 at 15:33 Iain Smith 8,920 4 54 61

How do I include - and

WebApr 7, 2024 · The only thing I forgot to include in my question was that the phrases could be in a single sentence, so in something like "Coca-Cola Step-By-Step", the hyphen in "Coca-Cola" is also matched, where I would only want to … WebWhat would my new Regex expression be to add the dash to that regular expression match or is there a better way to represent that? java; regex; Share. Improve this question. Follow ... If you want to include -, write it in beginning or ending of character class like [-0-9] or [0-9-]. how high do pole beans grow https://topratedinvestigations.com

how to check the regex allow hyphen or not? - Stack Overflow

WebDec 31, 2014 · Regular expressions are not always the answer. If you want to match a fixed string then you can do, for example: grepl (" [", "a [b", fixed = TRUE) stringr::str_detect ("a [b", fixed (" [")) stringi::stri_detect_fixed ("a [b", " [") Share Improve this answer Follow edited Jan 3, 2024 at 11:28 community wiki 9 revs, 4 users 93% Richie Cotton 2 WebThe closing bracket (]), the caret (^) and the hyphen (-) can be included by escaping them with a backslash, or by placing them in a position where they do not take on their special meaning. I recommend the latter method, since it improves readability. WebModifiers are used differently in JavaScript than in the examples, so use PCRE to experiment with them. In the example below, the regular expression corresponds to a single substring: / (?:t.)- (?:t.) /. ta-tu ta-t. Tu-tu tu-T. Here, we have matched two groups of hyphenated ta-tu, each corresponding to this condition — t and any character. high fantasy mage robes

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Include hyphen in regular expression

How to include a hyphen in a regex character bracket with …

WebThe regular expression [a-zA-Z] will return incorrect values for some character encodings (e.g. EBCDIC, where there is a gap between i and j, and another between r and s (which includes the ~ character), and between I and J and between R and S. This one works everywhere. – James McLeod Aug 20, 2010 at 15:04 WebTypically you would always put the hyphen first in the [] match section. EG, to match any alphanumeric character including hyphens (written the long way), you would use [-a-zA-Z0-9] Share Improve this answer Follow edited Mar 30, 2024 at 10:35 Aage 5,852 2 32 56 answered Mar 6, 2012 at 18:20 Wes Hardaker 21.5k 2 38 69 Add a comment

Include hyphen in regular expression

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WebDec 1, 2024 · - matches a dash (hyphen); we have it as the last character in the character class so it doesn't get interpreted as being part of a character range. We could also escape it ( \-) instead and put it anywhere in the character class, but that's less clear WebJun 26, 2024 · To include a hyphen in a regex character bracket with JavaScript, we can use \-. For instance, we write /^[a-zA-Z0-9.\-_]+$/ to add hyphen into the list of characters to …

WebSep 12, 2010 · Escaping the hyphen using \-is the correct way. I have verified that the expression /^[a-zA-Z0-9.\-_]+$/ does allow hyphens. You can also use the \w class to shorten it to /^[\w.\-]+$/. WebFeb 4, 2014 · 1) include - (dash) and _ (underscore) as valid components. 2) cannot end with (dash) and (underscore). Im using this - ^ [A-Za-z0-9]+ ( [-_]+ [A-Za-z0-9]+)*$ but not sure how to include the second condition ie-Cannot end with dash or underscore python regex Share Improve this question Follow edited Feb 4, 2014 at 16:19 grebneke 4,379 17 24

WebJun 17, 2016 · 1 You can use hyphens in java regex classes. Just use it as the last character. Alternatively, escape it: [\\-]. – Keppil Jun 17, 2016 at 6:17 I want to differentiate hyphens.For example in [a-z-0-9]+ first hyphen denotes range second hyphen denotes symbol (-) third denotes range. – Parimala Jun 17, 2016 at 7:00 1 WebFeb 7, 2024 · Regular expression - 'h.*?o' will find "hello", as it was necessary, as searches 'h' which any symbols follow some, up to the first met 'o'. The ends and the beginnings of strings Check has begun the ends or the end of a line is made by means of metasymbols ^ …

WebJan 12, 2012 · 3 Answers Sorted by: 86 The dash needs to be the first/last character in the character class in order to be used literally: ^ [-0-9a-zA-Z \/_?:.,\s]+$ ^ [0-9a-zA-Z \/_?:.,\s-]+$ You could also escape it, if not the first/last: ^ [0-9a-zA-Z\- \/_?:.,\s]+$ Share Improve this answer Follow edited Jan 12, 2012 at 11:08 answered Jan 12, 2012 at 11:03

WebJul 13, 2001 · In regular expressions, the hyphen ("-") notation has special meaning; it indicates a range that would match any number from 0 to 9. As a result, you must escape the "-" character with a forward ... how high do psa levels goWebThe string can contain an underscore or hyphen. The string is between 3–16 characters long. Regular expressions can feel like their own language at times, but in fact they are universal and can be used within all programming languages. Let's break down the preceding “Matching a Username” regex in order to explore regex components in general. high fantasy last namesWebSep 18, 2024 · 5. Email address. Using the knowledge that we have gained so far about regular expressions, let us now look at two final string examples that contain both letters and numbers. Suppose we have a list of emails in a data frame called email: Now, generate a regex pattern to match the username, domain name, and domain. high fantasy horror moviesWebDec 20, 2024 · How to detect dot (.), underscore (_) and dash (-) in regex [closed] Ask Question Asked 4 years, 3 months ago Modified 4 years, 3 months ago Viewed 22k times 2 Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. high fantasy in spanishWebAug 22, 2024 · Answers ( 1) Delete row phpexcel. how to put input mask of registration number like 07-0123-20. high fantasy image frames streamingWebSep 7, 2010 · Hyphen is already included (twice), you can add the apostrophe by just editing it into the character class: /^[a-zA-Z-\-\ ']+$/ You can rewrite it to look like this, so that there's no need to escape the hyphen and it's only included once: how high do satellites orbit in milesWebMar 17, 2024 · The hyphen can be included right after the opening bracket, or right before the closing bracket, or right after the negating caret. Both [-x] and [x-] match an x or a hyphen. [^-x] and [^x-] match any character that is not an x or a hyphen. This works in all flavors discussed in this tutorial. high fantasy inquisitor