Answers for "to detect numbers in given string javascript"

javascript find number in string

the regular expression on looks for the first number character in the string

let numberInString = theString.match(/\d+/[0];

javascript find a digit in str

var regex = /\d+/g;
var string = "Any string you want!";
var matches = string.match(regex);  // creates array from matches

if (matches){
  // There is a digit in the string.
} else {
  // No Digits found in the string.
}