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
• Named capture groups
• Password validation regex
• Possessive Quantifiers
• Recursion
• Backreferences in recursions (PCRE)
• Recurse into a subpattern
• Recurse the whole pattern
• Recursions are atomic (PCRE)
• Relative group references
• Subpattern definitions
• 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