Learning Regular Expressions

Download free course Learning Regular Expressions, pdf file on 94 pages by Stack Overflow Community.
A regular expression (regex or regexp) is a sequence of characters that define a search pattern. It is an unofficial and free Regular Expressions book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking individuals at Stack Overflow.

Table of contents

  • Getting started with Regular Expressions
  • 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
  • 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
Pages : 94
Size : 1.5 MB
File type : PDF
Downloads: 72
Created: 2022-02-03
License: CC BY-SA
Author(s): Stack Overflow Community
Learning Regular Expressions

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