Lookahead — 3 Technical Articles

Feb 6, 2021 · Fundamentals

Mastering Regular Expressions: Essential Rules and Advanced Techniques

This article provides a comprehensive guide to regular expressions, covering basic concepts, character classes, quantifiers, special symbols, greedy versus non‑greedy matching, backreferences, lookahead/lookbehind assertions, and practical tips for writing robust patterns.

Lookaheadbackreferencecharacter classes

0 likes · 12 min read

Mastering Regular Expressions: Essential Rules and Advanced Techniques

AutoHome Frontend

Feb 25, 2019 · Frontend Development

Unlock ES2018 Regex: Lookbehind, Named Groups, DotAll & Unicode Made Simple

This article explains the four new ES2018 regular‑expression features—lookbehind assertions, named capturing groups, the dotAll (s) flag, and Unicode property classes—showing how they work, when to use them, and providing clear JavaScript code examples.

ES2018JavaScriptLookahead

0 likes · 12 min read

Unlock ES2018 Regex: Lookbehind, Named Groups, DotAll & Unicode Made Simple

Programmer DD

Jul 29, 2017 · Frontend Development

Master Regex Position Matching: Anchors, Lookaheads, and Practical Examples

This guide explains what regex positions are, how the six ES5 anchor characters and look‑ahead/look‑behind assertions match them, and provides real‑world JavaScript examples such as inserting delimiters, formatting numbers, and building complex password‑validation patterns.

AnchorLookaheadposition-matching

0 likes · 13 min read

Master Regex Position Matching: Anchors, Lookaheads, and Practical Examples