đŸ§™â€â™‚ī¸ Regex Wizard

Build regular expressions step-by-step without needing to know regex syntax. Choose from common patterns or build custom ones with an interactive guide.

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â„šī¸ What is Regular Expression (Regex)?

A regular expression (regex) is a pattern used to match text. It's like a powerful search tool that can:

  • Find patterns: Email addresses, phone numbers, dates, etc.
  • Validate input: Check if text matches a specific format
  • Extract data: Pull specific information from larger text
  • Replace text: Find and replace with pattern matching

Common Use Cases:

  • Email validation: Verify email addresses are properly formatted
  • Phone extraction: Find all phone numbers in a document
  • Data cleaning: Extract specific data from messy text
  • Form validation: Ensure user input matches expected format

Quick Regex Reference:

  • \d - Any digit (0-9)
  • \w - Any word character (letter, digit, underscore)
  • \s - Any whitespace (space, tab, newline)
  • + - One or more of the previous character
  • * - Zero or more of the previous character
  • ? - Zero or one of the previous character (optional)
  • [abc] - Any character in the brackets (a, b, or c)
  • [0-9] - Any digit from 0 to 9
  • . - Any single character

Tip: Start with a preset pattern and modify it, or build a custom pattern step-by-step. Test your pattern against real text to see what it matches!