You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

9 lines
172 B

4 years ago
'use strict';
module.exports = function (url) {
if (typeof url !== 'string') {
throw new TypeError('Expected a string');
}
return /^[a-z][a-z0-9+.-]*:/.test(url);
};