🔍 Regex Tester

Test and debug regular expressions with real-time matching, explanations, and common patterns.

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📊 Results

0 matches

🎯 Matches:

👥 Capture Groups:

💡 Pattern Explanation

📚 Common Patterns

📧 Email & Web

Email Email validation
URL URL validation
IP Address IPv4 address

📱 Phone & Numbers

Phone International phone
Numbers Digits only
Credit Card Card number format

📅 Date & Time

Date YYYY-MM-DD format
Time HH:MM or HH:MM:SS

🔤 Text Patterns

Capitalized First letter uppercase
Long Words 3+ character words
Hex Color 6-digit hex colors

🛠️ Tools

💾 Saved Patterns

⚡

Real-time Testing

See matches and results instantly as you type your pattern.

🎯

Visual Highlighting

Matches are highlighted in the test string for easy identification.

👥

Capture Groups

View and analyze capture groups with detailed information.

💡

Pattern Explanation

Get explanations for complex regex patterns and syntax.

📚

Common Patterns

Quick access to frequently used regex patterns.

💾

Save & Export

Save patterns and export results for later use.

📚 Regex Quick Reference

🔤 Character Classes

  • . - Any character (except newline)
  • \\d - Digit (0-9)
  • \\w - Word character (a-z, A-Z, 0-9, _)
  • \\s - Whitespace character
  • [abc] - Character set (a, b, or c)
  • [^abc] - Negated set (not a, b, or c)

🔢 Quantifiers

  • * - 0 or more
  • + - 1 or more
  • ? - 0 or 1
  • {3} - Exactly 3
  • {3,} - 3 or more
  • {3,5} - Between 3 and 5

🎯 Anchors

  • ^ - Start of string
  • $ - End of string
  • \\b - Word boundary
  • \\B - Non-word boundary

👥 Groups

  • (abc) - Capture group
  • (?:abc) - Non-capture group
  • (?=abc) - Positive lookahead
  • (?!abc) - Negative lookahead