check if a string contains digits js
function hasNumber(myString) {
return /\d/.test(myString);
}check if a string contains digits js
function hasNumber(myString) {
return /\d/.test(myString);
}js check if string is number
isNaN(num) // returns true if the variable does NOT contain a valid number
isNaN(123) // false
isNaN('123') // false
isNaN('1e10000') // false (This translates to Infinity, which is a number)
isNaN('foo') // true
isNaN('10px') // truejs string have number js
var hasNumber = /\d/;
hasNumber.test("ABC33SDF"); //true
hasNumber.test("ABCSDF"); //falsehow to check if a string contains numbers in javascript
/**
* Function to check if a string contains numbers
* @author Okoro Redemption
* @param {String} str - The string to be checked.
* @returns {Boolean} str - The result of the check.
*/
function hasNumbers(str){
var regexp = /d/g;
return regexp.test(str);
};
// use function below
hasNumbers("I am 20years old"); // => true
hasNumbers("I am a boy"); // => falseCopyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
