Regular Expressions

Categories: Regular Expressions

General JavaScript interview questions and answers for frontend developers.

• Patterns and Flags
• Character Classes
• Unicode Regex
• Anchors
• Multiline Mode
• Word Boundary
• Escaping Characters
• Sets / Ranges
• Quantifiers
• Greedy / Lazy Quants
• Capturing Groups
• Backreferences
• Alternation
• Lookahead / Lookbehind
• Catastrophic Backtracking
• Sticky Flag
• Regex / String Methods

---