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Scrimba

Learn Regular Expressions

via Scrimba

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Overview

This tutorial teaches you regex in JavaScript through 34 screencasts. It explains regular expressions step-by-step from basic to advanced so that you don't fall off along the way. This ensures that you finally learn regex once and for all.
  • Regex basics
  • Test matches
  • Literal strings
  • Case insensitive
  • Single character
  • Match letters
  • Match numbers
  • Single match
  • Multiple matches
  • Wildcards
  • Lazy matching
  • Begins with match
  • Ends with match
  • Inclusive match
  • Exclusive match
  • Whitespace match
  • Lookahead
  • Capture groups

Syllabus

  • Learn Regular Expressions
    • 1. Regular Expressions Intro
    • 2. Using the Test Method
    • 3. Frontend Career Path
    • 4. Match Literal Strings
    • 5. Match a Literal String with Different Possibilities
    • 6. Ignore Case While Matching
    • 7. Extract Matches
    • 8. Find More Than the First Match
    • 9. Match Anything with Wildcard Period
    • 10. Match Single Character with Multiple Possibilities
    • 11. Match Letters of the Alphabet
    • 12. Match Numbers and Letters of the Alphabet
    • 13. Match Characters that Occur One or More Times
    • 14. Match Characters that Occur One or More Times
    • 15. Match Characters that Occur Zero or More Times
    • 16. Find Characters with Lazy Matching
    • 17. Find One or More Criminals in a Hunt
    • 18. Match Beginning String Patterns
    • 19. Match Ending String Patterns
    • 20. Match All Letters and Numbers
    • 21. Match Everything But Letters and Numbers
    • 22. Match All Numbers
    • 23. Match All Non-Numbers
    • 24. Restrict Possible Usernames
    • 25. Match Whitespace
    • 26. Match Non-Whitespace Characters
    • 27. Specify Upper and Lower Number of Matches
    • 28. Specify Only the Lower Number of Matches
    • 29. Specify Exact Number of Matches
    • 30. Check for All or None
    • 31. Positive and Negative Lookahead
    • 32. Reuse Patterns Using Capture Groups
    • 33. Use Capture Groups to Search and Replace
    • 34. Remove Whitespace from Start and End
    • 35. Regular Expressions Outro

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