Answers for "js check if only numbers"

check if string only contains integer digits numbers javascript

let val = '1234567890' 
let isnum = /^\d+$/.test(val);
if (isnum) {
  // val is a number
}

Posted by: Guest on November-03-2020

javascript validate number only

function validateNumber(e) {
            const pattern = /^[0-9]$/;

            return pattern.test(e.key )
        }

Posted by: Guest on July-15-2021

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