Regex - Basics
Regex - Basics
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^ start of a string
$ end of a string
. wildcard
| matches chars on either side (or)
\ escape
Special chars
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\s whitespace
\S non-whitespace
\w word
\W non-word
\d one digit
\D one non-digit
\c control character
\n newline
\t tab
\r return
\0 null
Grouping
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(xyz) group
(?:xyz) non group
[xyz] range
[^xyz] non range
[a-z] char in range
[0-9] digit in range
Websites to practice regex
- https://regexlearn.com/
This post is licensed under CC BY 4.0 by the author.