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How to Use Regex (Beginner Guide with Examples)

Learn how to use Regular Expressions (Regex) with simple examples and real use cases.


๐Ÿ” What is Regex?

Regex (Regular Expression) is used to search and match patterns in text.

๐Ÿ“Œ Example

d+ โ†’ matches numbers
[a-z]+ โ†’ matches lowercase letters

๐Ÿงช Common Use Cases

  • Email validation
  • Password rules
  • Search & replace

๐Ÿš€ Try Regex Tool

๐Ÿ‘‰ Open Regex Tester

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