Regex Tool
Build, test, and debug regular expressions in real time. Highlights matches and capture groups.
/
/
gi
g
i
m
s
TEST STRING
The quick brown fox jumps over 42 lazy dogs at 3:15pm on 2026-02-20. Email: bbobop@zewp.com or nosaj@gmail.com Phone: (555) 123-4567 URL: https://zewp.com/bbobop/tools.html
Email
Date
URL
Phone
Numbers
Capitalized
HIGHLIGHTED TEXT
MATCHES
CHEATSHEET
.
Any character
\d
Digit
\w
Word char
\s
Whitespace
\b
Word boundary
^
Start of line
$
End of line
*
0 or more
+
1 or more
?
0 or 1
{n,m}
n to m times
()
Capture group
(?:)
Non-capture
(?=)
Lookahead
[^]
Negated class
|
Alternation