how to check and remove special characters in javascript code example

Example 1: remove special characters from string javascript

var str = "Hello^# World/";
str.replace(/[^a-zA-Z ]/g, ""); // "Hello World"

Example 2: remove a special character from string javascript

//You can do it specifying the characters you want to remove:
string = string.replace(/[&\/\\#,+()$~%.'":*?<>{}]/g, '');
//Alternatively, to change all characters except numbers and letters, try:
string = string.replace(/[^a-zA-Z0-9]/g, '');