remove all instances of character from string js code example

Example 1: remove all characters from string javascript

const string = "hello world 123";

// remove all o's from the string
string.replace(/o/g, "") // "hell wrld 123"

// remove all letters from the string
string.replace(/[A-Za-z]/g, "") // "  123"

// remove all digits from the string
string.replace(/\d/g, "") // "hello world "

Example 2: javascript replace all occurrences of string

function replaceAll(str, find, replace) {
    var escapedFind=find.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
    return str.replace(new RegExp(escapedFind, 'g'), replace);
}
//usage example
var sentence="How many shots did Bill take last night? That Bill is so crazy!";
var blameSusan=replaceAll(sentence,"Bill","Susan");

Example 3: str replace javascript all

str.replace(/abc/g, '');