Regex match comma separated list. Your regular expression means "match if the next bit matches, but don't consume, any one char, then one of a-z, A-Z, or 0-9, followed by one of: a comma. Test and debug regular expressions for parsing comma-separated lists. Then consume any one character before the end of the string. This guide provides a robust approach to creating a suitable regex pattern for your requirements. Currently: 123456789123, Feb 1, 2013 · Regular expression to match comma separated list of key=value where value can contain commas Asked 12 years, 9 months ago Modified 12 years, 9 months ago Viewed 15k times Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. What I want to do is to delete the number in the middle, and leave only first number and last number separated by a comma. It is not requiring a comma and it is letting me A regular expression to simply match and validate comma-separated numbers in your data. I tried [0-8,]* but it seems to accept 1234 as valid. To validate a comma-separated list, we can use the following regular expression: ``` ^ (\s* [^,\s]+\s*,\s*)*\s* [^,\s]+\s*$ ``` Explanation of the regular expression: ``` ^ # Matches the start of the string ( # Starts a capturing group \s* # Matches zero or more whitespace characters [^,\s]+ # Matches one or more characters that are not a comma or whitespace \s*,\s May 18, 2013 · I am trying to validate a comma separated list for numbers 1-8. i. Sep 8, 2009 · 32 This regex extracts an element from a comma separated list, regardless of contents: (. matches("^[1-9,;]$") //Or something like that I'm new to regular expressions. 2,4,6,8,1 is valid input. Jul 31, 2023 · Open regex in editor Description Validate comma-separated list of values (allowed: words; digits; special characters; single non-trailing non-leading spaces;). Jan 22, 2013 · 43 What's a regular expression that will match a string only containing digits 0 through 9, a comma, and a semi-colon? I'm looking to use it in Java like so: word. Capture comma separated numbers, no matter if there are spaces before or after the commas. Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. e. Using a regex (regular expression) to validate comma-separated values is essential in many programming and data validation scenarios. " It is impossible for this to match anything, since the not consuming part must match three characters, including a trailing comma, before the consuming part comes and can only Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. +?)(?:,|$) If you just replace the comma with something else, it should work for any delimiter. So, onto the regex! Aug 1, 2012 · I have line of 3 long numbers separated by comma. A little backstory as to why I had to make this: coworker and I are sending firewall logs to our SIEM (what I found said that our SIEM uses java regex) and every line is comma delimited. NET, Rust. We're making custom events for the data and wanted a robust yet specific regex because not every space between a comma has data. The instructions are clear. A regular expression that parses and matches comma delimited strings. To validate a comma-separated list, we can use the following regular expression: ``` ^ (\s* [^,\s]+\s*,\s*)*\s* [^,\s]+\s*$ ``` Explanation of the regular expression: ``` ^ # Matches the start of the string ( # Starts a capturing group \s* # Matches zero or more whitespace characters [^,\s]+ # Matches one or more characters that are not a comma or whitespace \s*,\s Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. sx80r efc 2cr4x ln mel kxx n0tbem gejwpl ums xa