RegEx Tester & Learning Tool

Test regular expressions, learn patterns, and validate text matching

Matches (0)

No matches found

Highlighted Matches
Active Flags
g - Global - find all matches

Master Regular Expressions with Our Advanced Testing Tool

Regular expressions (regex) are powerful tools for pattern matching and text manipulation. Whether you're validating user input, extracting data from logs, or processing text files, our regex tester helps you build, test, and understand complex patterns with ease.

Common Problems This Tool Solves:

  • Email Validation: Create patterns to validate email address formats
  • Phone Number Formatting: Extract and validate phone numbers in various formats
  • Data Extraction: Pull specific information from large text files or logs
  • Form Validation: Ensure user input meets specific criteria
  • Password Strength: Validate password complexity requirements
  • URL Parsing: Extract and validate web addresses
  • Date Format Validation: Ensure dates follow required formats
  • Log Analysis: Parse server logs and extract error patterns
  • Text Cleaning: Remove or replace unwanted characters
  • Code Review: Find specific patterns in source code

🛠️ Related Tools

;