Regex Tool

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gglobal — find all matches icase-insensitive mmultiline — ^ $ match line breaks sdotall — . matches newlines uunicode mode ysticky — match from lastIndex

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Test String

Matches

No matches yet — enter a pattern and some test text.

Test String

Replacement string use $1, $2 for groups, $& for full match, $` $' for before/after

Result

Split splits the test string on every match

Pattern Explanation Plain-English breakdown of every token

Enter a regex above and we'll explain every piece.

Regex Builder — click chips to append to the pattern

Character classes

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Quantifiers

Groups & alternation

Lookaround

Special characters

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Input a raw string — we'll escape regex metacharacters Escaped result

Regex Tool

Test String

Matches

Test String

Result

Split splits the test string on every match

Pattern Explanation Plain-English breakdown of every token

Regex Builder — click chips to append to the pattern

Character classes

Anchors & boundaries

Quantifiers

Groups & alternation

Lookaround

Special characters

Escape a literal string

Common Patterns Library Click any card to use it

Regex Cheatsheet

Code Generator Convert your regex to code in different languages

Test String

Matches Copy all

Test String

Result Copy result

Split splits the test string on every match

Pattern Explanation Plain-English breakdown of every token

Regex Builder — click chips to append to the pattern

Character classes

Anchors & boundaries

Quantifiers

Groups & alternation

Lookaround

Special characters

Escape a literal string

Common Patterns Library Click any card to use it

Regex Cheatsheet

Code Generator Convert your regex to code in different languages

Matches

Result