parseInt
// parseInt parse a string arg and returns an integer of the specified radix.
function myParseInt(str) {
// if str contains a-c, return "NaN"
const regex = /[a-zA-Z]/g;
const match = str.match(regex);
const rep = str.replace(regex, "");
return parseInt(str, 10);
}
myParseInt("5 friends")
myParseInt("2")
myParseInt("16.5")
const test = "5 friends";
const regex = /[a-zA-Z]/g;
const match = test.match(regex);
const replace = match.replace(regex, 10)
This Gist was automatically created by Carbide, a free online programming environment.