Regex: Difference between revisions
From DWIKI
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==Match IP address== | ==Match IP address== | ||
'\d{1,3}[-x.]\d{1,3}[-x.]\d{1,3}' | '\d{1,3}[-x.]\d{1,3}[-x.]\d{1,3}' | ||
==Replace one or more spaces== | |||
's/\s\s*/FOO/g' | |||
Latest revision as of 15:10, 19 September 2025
Regular expressions
Links
- Regex reference
- http://gnosis.cx/publish/programming/regular_expressions.html
- http://www.zytrax.com/tech/web/regex.htm
- http://www.regular-expressions.info
- https://regex101.com/
Syntax
(?:)
Non-capturing group, so creating a back-reference
Tools
- txt2regex
ZZ
pcre
FAQ
Match IP address
'\d{1,3}[-x.]\d{1,3}[-x.]\d{1,3}'
Replace one or more spaces
's/\s\s*/FOO/g'
