You can see one for Perl regexp (displayed a little more in detail here, as posted by edg)
More Related Contents:
- Grammatical inference of regular expressions for given finite list of representative strings?
- What is a Context Free Grammar?
- Regex Pattern to Match, Excluding when… / Except between
- Regex for quoted string with escaping quotes
- Difference between \b and \B in regex
- How can I write a regex which matches non greedy? [duplicate]
- Combine Regexp?
- Regex credit card number tests
- Regex for string not ending with given suffix
- How can I output only captured groups with sed?
- Using the star sign in grep
- Regex group capture in R with multiple capture-groups
- Regex match one of two words
- Create new column in dataframe based on partial string matching other column
- Make regular expression not match empty string?
- How to exclude a specific string constant? [duplicate]
- What do comma separated numbers in curly braces at the end of a regex mean?
- Remove all text between two brackets
- To use or not to use regular expressions?
- Simple AlphaNumeric Regex (single spacing) without Catastrophic Backtracking
- Multiple regex matches in Google Sheets formula
- Regex to match any character including new lines
- How do I get regex support in Excel via a function, or custom function?
- Regular Expression Word Boundary and Special Characters
- How to search and replace with a counter-based expression in Vim?
- Combining $regex and $or operators in Mongo
- Why does VIM have its own regex syntax?
- Redirect all traffic to root of another domain
- ignoring changes matching a string in git diff
- Regular expression to remove special characters in JSTL tags