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Regex Tester

Real-time pattern matching

/ / g

g global i insensitive m multiline s dotAll u unicode y sticky

Replacement

Use $& for full match, $1…$9 for groups

.Any character

\dDigit [0-9]

\wWord char

\sWhitespace

\bWord boundary

^Start of line

$End of line

*0 or more

+1 or more

?0 or 1

{n,m}Between n and m

[abc]Char class

(abc)Group

a|bAlternation

(?:…)Non-capture group

(?=…)Positive lookahead

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0 Groups

0 Characters

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