regex-tester-en.md Last updated: 2026-03-25

Regex Tester - EN

Regex Tester

Regular Expression Testing Tool

Regular Expression Pattern

/ /

Example: pattern=[a-z]+ flags=gi

Test String

Match Result

Match count: 0

Sample Patterns

✉️

Email

[a-z0-9._%+-]+@

🔗

URL

https?:\/\/

📱

Phone

^\+?[0-9]

🚗

License Plate

[A-Z]{2}[0-9]{2}

🎨

Hex Color

^#(?:[0-9a-f]

📅

Date

\d{4}-\d{2}

Quick Reference

Character Classes

. - Any single character
\d - Digit [0-9]
\w - Word character [a-zA-Z0-9_]
\s - Whitespace
[abc] - Any of a, b, c

Quantifiers

* - 0 or more times
+ - 1 or more times
? - 0 or 1 time
{n,m} - Between n and m times

Anchors

^ - Start of string
$ - End of string
\b - Word boundary

Flags

g - Global (required)
i - Case-insensitive
m - Multiline mode