https://github.com/cho45/String_random.js

String_random.js is for generating random string from regexp pattern.

var randomString = String_random(/\d\d\d/);
console.log(randomString); //=> "000", "010", "432" or etc...

• * + ? {n,n}: quantifier
• . : generating following: [a-zA-Z0-9 !"#$%&'()*+,-./:;<=>?@[\]^_{|}~]`
• [ .. ] : character class (also supports range with - but does not supports ^)
• ( .. ) : simple grouping
• | : alternative

• ^ : beginning of line
• $ : end of line
• \b \B