How to useString match() Method in Javascript
The match() method is used to search for and extract substrings from a string based on a specified pattern. It allows you to perform powerful string matching using regular expressions or simple string patterns.
Syntax:
string.match(char)
Example: In this example, we are using the match() method to find the index of G from our given string.
let str = "Welcome to w3wiki";
let char = "G";
let index = str.match(char);
console.log(index.index);
Output
11
How to Find the Index of Specific Character in a String in JavaScript ?
We will see how to find the index of a specific character in a string using JavaScript. A string is a sequence of characters, such as letters, numbers, or symbols, enclosed in single or double quotes. Here we are going to find the index of a specific character from our given string.
Several approaches can be used to find the index of a specific character in a string using JavaScript, which are listed below:
Table of Content
- Approach 1: Using String indexOf() Method
- Approach 2: Using String search() Method
- Approach 3: Using String match() Method
- Approach 4: Using String lastIndexOf() Method
- Approach 5: Using Lodash _.indexOf() Method
- Approach 6: Using a for loop
- Approach 7: Using ES6 findIndex() Method with Array.from()
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