toolsss

Regular Expression Tester

Regular Expression

Pattern

Flags

Replacement

Test Text

Input Text

Result

Enter a regex pattern to test

Match Details

Index	Full Match	Groups	Index Range
No matches found

Regex Cheat Sheet

Character Classes

. - Matches any character except newline
\w - Matches word characters (a-z, A-Z, 0-9, _)
\d - Matches digits (0-9)
\s - Matches whitespace (space, tab, newline)
[abc] - Matches either a, b or c
[^abc] - Matches any character except a, b or c

Quantifiers

a* - 0 or more of a
a+ - 1 or more of a
a? - 0 or 1 of a
a{3} - Exactly 3 of a
a{3,} - 3 or more of a
a{3,5} - 3, 4, or 5 of a

Anchors & Groups

^abc - Start of string
abc$ - End of string
(abc) - Capture group
(?:abc) - Non-capturing group
a|b - a or b
\b - Word boundary