s-valid/value/index.ts

Simple validator for strings

export default function(s: string) {
	s = s.toLowerCase().replace(',', '');
	var numbers = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-'];

	// for $100 and #123, etc.
	if (numbers.indexOf(s[0]) === -1) {
		s = s.slice(1);
	}

	return !isNaN(parseInt(s, 10));
};