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Learning Regular Expressions eBook (PDF)
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Chapters
Chapter 1: Getting started with Regular Expressions
Chapter 2: Anchor Characters: Caret (^)
Chapter 3: Anchor Characters: Dollar ($)
Chapter 4: Atomic Grouping
Chapter 5: Back reference
Chapter 6: Backtracking
Chapter 7: Capture Groups
Chapter 8: Character classes
Chapter 9: Escaping
Chapter 10: Greedy and Lazy quantifiers
Chapter 11: Lookahead and Lookbehind
Chapter 12: Match Reset: \K
Chapter 13: Matching Simple Patterns
Chapter 14: Named capture groups
Chapter 15: Password validation regex
Chapter 16: Possessive Quantifiers
Chapter 17: Recursion
Chapter 18: Regex modifiers (flags)
Chapter 19: Regex Pitfalls
Chapter 20: Regular Expression Engine Types
Chapter 21: Substitutions with Regular Expressions
Chapter 22: Useful Regex Showcase
Chapter 23: UTF-8 matchers: Letters, Marks, Punctuation etc.
Chapter 24: When you should NOT use Regular Expressions
Chapter 25: Word Boundary
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