check if string only contains integer digits numbers javascript
let val = '1234567890'
let isnum = /^\d+$/.test(val);
if (isnum) {
// val is a number
}check if string only contains integer digits numbers javascript
let val = '1234567890'
let isnum = /^\d+$/.test(val);
if (isnum) {
// val is a number
}javascript check if string includes numbers
/**
* Function to check if a string contains any numbers
* @author Sebastian Keable
* @param {String} str - String to be checked.
* @returns {Boolean} str - Result of the check.
*/
function containsNumbers(str){
var regexp = /\d/g;
return regexp.test(str);
};
// use function below
containsNumbers("Here are some Numbers 2123"); // => true
containsNumbers("Here are no Numbers"); // => falseCopyright © 2021 Codeinu
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