Answers for "find first position of any of array of characters in string javascript"

javascript get first 10 characters of string

var str = "Hello world That is reallly neat!";
var res = str.substring(0, 5);//get first 5 chars

get index of first number in string javascript

var str = "Se7en";
var search = str.search(/\d/);
console.log("first digit at: ", search); // first digit at: 2