non-capturing groups

Tencent IMWeb Frontend Team

Jun 11, 2017 · Frontend Development

Master Advanced JavaScript Regex: Lazy Quantifiers, Lookahead, and More

Explore advanced JavaScript regular expression techniques—including lazy quantifiers, non‑capturing groups, backreferences, lookaround assertions, and subtle meta‑character rules—to write more efficient and readable patterns, illustrated with practical examples such as inserting commas into large numbers.