check if a string contains digits js #strings #vanillajs

snippet.md

make use of RegExp.prototype.test()

The test() method executes a search for a match between a regular expression and a specified string. Returns true or false.

function hasNumber(myString) {
  return /\d/.test(myString);
}

/\d/.test("dfgsdswefx"); // false

/\d/.test("df3sdswef"); // true