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Regex Tester
Regex Tester
Test JavaScript regular expressions against sample text with match groups
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Pattern
Flags (g auto-added)
i
m
s
u
y
Test text
Replacement (optional)
new RegExp(pattern, flags) · matches via .exec loop
Highlighted
[email protected]
,
[email protected]
, plain text
Replacement preview
alice at example.com, BOB at SAMPLE.org, plain text
Copiar link
Match summary
Counts of matches and capture groups for the regex.
flags /ig/
2
matches
2 capture groups
