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masautt/c3bt8ij.js

Created September 6, 2019 16:10
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How to check if string has only digits in JavaScript?
Raw
c3bt8ij.js
function checkNum(str) {
return /^\d+$/.test(str)
}
console.log(checkNum("8675309")); // --> true
console.log(checkNum("867S309")); // --> false
// https://stackoverflow.com/questions/1779013/check-if-string-contains-only-digits
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