Tag

RegExp

1 views collected around this technical thread.

Taobao Frontend Technology
Taobao Frontend Technology
Nov 6, 2024 · Fundamentals

New JavaScript Proposals Transform Error Handling, RegExp, and Binary Data

Several Stage‑3 TC39 proposals—including Error.isError for reliable error type checks, RegExp.escape for safe regex construction, Uint8Array methods for base64/hex conversion, and Temporal.TimeZone.prototype.equals for canonical time‑zone comparison—aim to enhance JavaScript’s core capabilities across browsers and Node.js.

Base64JavaScriptRegExp
0 likes · 8 min read
New JavaScript Proposals Transform Error Handling, RegExp, and Binary Data
Taobao Frontend Technology
Taobao Frontend Technology
Nov 4, 2024 · Frontend Development

What New ECMAScript Proposals Will Shape JavaScript in 2023?

This article reviews the latest Stage 4 ECMAScript proposals—including ArrayBuffer transfer, iterator helpers, RegExp modifiers, import attributes, Promise.try, duplicate named capture groups, and Set methods—explaining their purpose, syntax, and example usage for modern JavaScript development.

ArrayBufferECMAScriptIterator
0 likes · 13 min read
What New ECMAScript Proposals Will Shape JavaScript in 2023?
Java Architect Essentials
Java Architect Essentials
Aug 1, 2024 · Backend Development

Implementing Fuzzy Company Name Matching with MySQL RegExp in a Business Approval Workflow

This article describes a business approval scenario where a company name entered by a business user must be checked for duplicates, and explains how to implement fuzzy matching using MySQL RegExp, tokenization with IKAnalyzer, and Java service code to extract, preprocess, match, and rank results by relevance.

BackendMySQLRegExp
0 likes · 11 min read
Implementing Fuzzy Company Name Matching with MySQL RegExp in a Business Approval Workflow
Architecture Digest
Architecture Digest
Jan 12, 2023 · Frontend Development

Comprehensive Guide to Regular Expressions in JavaScript

This article provides a thorough introduction to JavaScript regular expressions, covering their definition, syntax, flags, meta‑characters, assertions, RegExp object properties and methods, capturing and non‑capturing groups, named groups, greedy vs. lazy matching, back‑references, and common pitfalls, all illustrated with clear code examples.

Capturing GroupsJavaScriptPattern Matching
0 likes · 8 min read
Comprehensive Guide to Regular Expressions in JavaScript
Taobao Frontend Technology
Taobao Frontend Technology
Jun 23, 2022 · Frontend Development

What the Latest TC39 Proposals Mean for JavaScript Developers

This article reviews recent TC39 proposals—including findLast, Symbol-as-WeakMap keys, JSON.parse source text access, String.dedent, RegExp modifiers, atomic operators, and faster Promise adoption—explaining their stage progress, technical details, and practical code examples for modern JavaScript development.

ECMAScriptJavaScriptPromise
0 likes · 17 min read
What the Latest TC39 Proposals Mean for JavaScript Developers
Laravel Tech Community
Laravel Tech Community
Apr 30, 2020 · Databases

MySQL FAQ: Default Port, REGEXP, Index Limits, Common Queries, and Other Key Concepts

This article provides concise answers to common MySQL questions covering default ports, regular expression usage, index limits, query examples for retrieving rows, date functions, savepoints, ENUM types, storage engines, connection functions, ACLs, and other essential database concepts.

IndexesMySQLQueries
0 likes · 9 min read
MySQL FAQ: Default Port, REGEXP, Index Limits, Common Queries, and Other Key Concepts
UC Tech Team
UC Tech Team
Jan 21, 2019 · Frontend Development

New ES2018 Features Every JavaScript Developer Should Know

The article introduces the major ES2018 additions—including rest/spread properties, asynchronous iteration, Promise.prototype.finally, and four RegExp enhancements—explains their syntax and usage with examples, and lists Node.js versions that support each feature, helping developers adopt the latest JavaScript capabilities.

ES2018JavaScriptNode.js
0 likes · 13 min read
New ES2018 Features Every JavaScript Developer Should Know
Tencent IMWeb Frontend Team
Tencent IMWeb Frontend Team
Jul 18, 2017 · Frontend Development

When Should You Use exec vs. match in JavaScript? A Clear Guide

This article explains the fundamental differences between JavaScript's exec and match methods, showing which belongs to RegExp or String, how the global "g" flag affects their behavior, and provides practical code examples to help you choose the right one.

JavaScriptRegExpString()
0 likes · 3 min read
When Should You Use exec vs. match in JavaScript? A Clear Guide
Tencent IMWeb Frontend Team
Tencent IMWeb Frontend Team
Jun 9, 2017 · Frontend Development

Master JavaScript Regex: String Methods and RegExp Object Explained

This article explains the two main aspects of using regular expressions in JavaScript—string methods such as search, replace, match, and split, and the RegExp object with its properties, constructor, and methods like exec, test, and compile, including practical tips and common pitfalls.

JavaScriptPattern MatchingRegExp
0 likes · 6 min read
Master JavaScript Regex: String Methods and RegExp Object Explained