slice string where there is a number javascript code example

Example 1: javascript slice string from character

var input = 'john smith~123 Street~Apt 4~New York~NY~12345';

var fields = input.split('~');

var name = fields[0];
var street = fields[1];

Example 2: slice string javascript if has @

let email = '[email protected]'
let localPart = email.slice(0,email.indexOf('@'));