Learn about the match() method in JavaScript for strings. The match() method is used to search for a specified regular expression pattern inside a string. It returns an array of all the matches found or null if no matches are found. Here are some examples of using the match() method: Example 1: 'Hi Flavio'.match(/avio/) // Output: Array [ 'avio' ] Example 2: 'Test 123123329'.match(/\d+/) // Output: Array [ "123123329" ] Example 3:...
Learn all about the codePointAt() method in JavaScript for strings. The codePointAt() method was introduced in ES2015 to handle Unicode characters that cannot be represented by a single 16-bit Unicode unit, but require two instead. Unlike the charCodeAt() method, which retrieves the first and second 16-bit parts separately and then combines them, the codePointAt() method allows you to obtain the entire character with a single call. Let’s take a Chinese character “𠮷” as an example....
The JavaScript substring() method is a useful tool for extracting a portion of a string. Similar to the slice() method, it has some distinct differences that set it apart. Usage and Syntax The syntax of the substring() method is as follows: string.substring(startIndex, endIndex) startIndex is the index at which the extraction should begin (inclusive). endIndex is the index at which the extraction should end (exclusive). Key Differences There are a few key differences between the substring() method and the slice() method:...