How to Use Regex (Beginner Guide with Examples)
Learn how to use Regular Expressions (Regex) with simple examples and real use cases.
๐ What is Regex?
Regex (Regular Expression) is used to search and match patterns in text.
๐ Example
d+ โ matches numbers [a-z]+ โ matches lowercase letters
๐งช Common Use Cases
- Email validation
- Password rules
- Search & replace
๐ Try Regex Tool
๐ Open Regex Tester๐ Related Guides
What is SQL Injection? Complete Guide with Examples and Prevention
Learn what SQL Injection is, how it works, real attack examples, and how to prevent it effectively.
Read โTop Hiring Mistakes HR Should Avoid
Learn the most common hiring mistakes and how to avoid them.
Read โHow to Secure APIs (Best Practices)
Learn best practices to secure APIs including authentication, validation, and encryption.
Read โ