containsOnlyIntegers

The containsOnlyIntegers function checks if a given string contains only integer digits (0-9). It returns true if the string matches the pattern of one or more digits, otherwise false.

Works in: HTML5, React JS, Node.js

Usage

Example: Check String for Integers

const str1 = "12345";
const str2 = "123a45";
 
console.log(nfsfu234FormValidation.containsOnlyIntegers(str1)); // true
console.log(nfsfu234FormValidation.containsOnlyIntegers(str2)); // false

See also

• isNumber