I'm working with a performance issue on JavaScript. So I just want to ask: what is the fastest way to check whether a string contains another substring (I just ... ... <看更多>

Regex is very useful, be sure to take time to learn it. ... How to use regex to check if a javascript string contains a pattern #shorts. ... <看更多>

Introduction to the JavaScript match() method · If the regexp uses the g flag, then match() method returns an array containing all the matches. The result does ... ... <看更多>

As you know, JavaScript has many useful methods that can check if a string contains a certain letter or phrase. For example, the following expressions all ... ... <看更多>

There are several built-in JavaScript functions that search for a regular expression match within a string, such as RegExp.prototype.test and ... ... <看更多>

it's returning false, even the string contains a special character. lightning-aura-components · lightning · javascript · validation · regular- ... ... <看更多>