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Regex Pattern Generator & Tester

Instant regex pattern generator and tester for email validation, phone numbers, URLs, credit cards, IP addresses, and dates.

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How to Use Regex Pattern Generator & Tester

  1. 1

    Select a common pattern preset or write your regex pattern.

  2. 2

    Paste test text to see live highlights.

  3. 3

    Copy the regex pattern string and flags.

Key Features

  • Pre-built patterns for Email, URL, Phone, IP, Credit Card, Date, Password
  • Live regex test string matching
  • Regex flags builder (g, i, m, s)
  • Regex syntax explanation breakdown

Benefits

  • Stop re-writing common regex expressions from scratch
  • Test custom regex match groups interactively
  • Copy copy-paste ready regex for JS, Python, PHP

Common Pitfalls to Avoid

  • Forgetting global flag 'g' when matching multiple instances in a string.

Frequently Asked Questions

/^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/ is standard for email validation.

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