Development Tool

Regex Tester

Test and validate regular expressions with live matching, syntax highlighting, and code generation for multiple languages

Regular Expression

Pattern

/

/g

Flags

Hover over flags to see their descriptions

Test String

Text to match against

Quick Tips

• Use the common patterns library to get started quickly
• Test with multiple strings to ensure your regex works in all cases
• Enable the 'g' flag to find all matches instead of just the first one
• Use named capture groups for better code readability
• Generate code in your preferred language and copy it to your project