JavaScript RegExp $ Quantifier

The RegExp m$ Quantifier in JavaScript is used to find the match of any string which contains m at the end of it. 

Syntax: 

/m$/ 

or

new RegExp("m$")

Syntax with modifiers:

/\m$/g 

or

new RegExp("m$", "g")

Example 1: This example matches the presence of the word ‘123’ at the end of the string. 

Javascript

function geek() {
    let str1 = "Geeksfor123\nGeeks@_123";
    let regex4 = /123$/gim;
    let match4 = str1.match(regex4);

    console.log("Found " + match4.length
        + " matches: " + match4);
}
geek()

Output

Found 2 matches: 123,123

Example 2: This example replaces the word ‘K’ with ‘@’. 

Javascript

function geek() {
    let str1 = "@128GeeeeK";
    let regex4 = new RegExp("K$", "gi");
    let replace = "@";
    let match4 = str1.replace(regex4, replace);
    console.log(" New string: " + match4);
}
geek()

Output

 New string: @128Geeee@

Supported Browsers: The browsers supported by RegExp $ Quantifier are listed below:

• Google Chrome
• Apple Safari
• Mozilla Firefox
• Opera
• Internet Explorer

We have a complete list of Javascript RegExp expressions, to check those please go through this JavaScript RegExp Complete Reference article.