check if string contains only numbers typescript code example
Example: check if string only contains integer digits numbers javascript
let val = '1234567890'
let isnum = /^\d+$/.test(val);
if (isnum) {
// val is a number
}
let val = '1234567890'
let isnum = /^\d+$/.test(val);
if (isnum) {
// val is a number
}