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Regular Expressions

  • Getting started with Regular Expressions
  • Awesome Book
  • Awesome Community
  • Awesome Course
  • Awesome Tutorial
  • Awesome YouTube
  • Anchor Characters: Caret (^)
  • Anchor Characters: Dollar ($)
  • Atomic Grouping
  • Back reference
  • Backtracking
  • Capture Groups
  • Character classes
  • Escaping
  • Greedy and Lazy quantifiers
  • Lookahead and Lookbehind
  • Match Reset: \K
  • Matching Simple Patterns
    • Match a single digit character using [0-9] or \d (Java)
    • Match any float
    • Matching leading/trailing whitespace
    • Matching various numbers
    • Selecting a certain line from a list based on a word in certain location
  • Named capture groups
  • Password validation regex
  • Possessive Quantifiers
  • Recursion
  • Regex modifiers (flags)
  • Regex Pitfalls
  • Regular Expression Engine Types
  • Substitutions with Regular Expressions
  • Useful Regex Showcase
  • UTF-8 matchers: Letters, Marks, Punctuation etc.
  • When you should NOT use Regular Expressions
  • Word Boundary


Regular Expressions

  • Getting started with Regular Expressions
  • Awesome Book
  • Awesome Community
  • Awesome Course
  • Awesome Tutorial
  • Awesome YouTube
  • Anchor Characters: Caret (^)
  • Anchor Characters: Dollar ($)
  • Atomic Grouping
  • Back reference
  • Backtracking
  • Capture Groups
  • Character classes
  • Escaping
  • Greedy and Lazy quantifiers
  • Lookahead and Lookbehind
  • Match Reset: \K
  • Matching Simple Patterns
    • Match a single digit character using [0-9] or \d (Java)
    • Match any float
    • Matching leading/trailing whitespace
    • Matching various numbers
    • Selecting a certain line from a list based on a word in certain location
  • Named capture groups
  • Password validation regex
  • Possessive Quantifiers
  • Recursion
  • Regex modifiers (flags)
  • Regex Pitfalls
  • Regular Expression Engine Types
  • Substitutions with Regular Expressions
  • Useful Regex Showcase
  • UTF-8 matchers: Letters, Marks, Punctuation etc.
  • When you should NOT use Regular Expressions
  • Word Boundary

Regular Expressions Matching Simple Patterns


Matching Simple Patterns Related Examples

  • Match a single digit character using [0-9] or \d (Java)
  • Match any float
  • Matching leading/trailing whitespace
  • Matching various numbers
  • Selecting a certain line from a list based on a word in certain location
pdf PDF - Download Regular Expressions for free


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This modified text is an extract of the original Stack Overflow Documentation created by following contributors and released under CC BY-SA 3.0
This website is not affiliated with Stack Overflow

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