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Check if string only contains integer digits numbers javascript

Code examples

3
0

check if string only contains integer digits numbers javascript 

let val = '1234567890' 
let isnum = /^\d+$/.test(val);
if (isnum) {
  // val is a number
}
1
0

check if a string contains digits js 

function hasNumber(myString) {
  return /\d/.test(myString);
}

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