Regex Tester

Documentation

Features

• Real-time regex testing with instant feedback
• Support for multiple regex flags (g, i, m, s)
• Match highlighting with group support
• Error handling and validation
• Match statistics and counting

Regular Expression Flags

• g (Global) - Find all matches rather than stopping after the first match
• i (Case Insensitive) - Make the regex case insensitive
• m (Multiline) - ^ and $ match start/end of each line
• s (Dot All) - Dot matches newline characters

Common Patterns

• [A-Za-z0-9] - Match any alphanumeric character
• \d - Match any digit (0-9)
• \w - Match any word character (a-z, A-Z, 0-9, _)
• \s - Match any whitespace character
• ^ - Match start of line
• $ - Match end of line