如何从文本字段onblur中删除所有非数字？

Question

How can I remove all non numeric digits from text field with onblur=? need to take out () and - from phone number before submit.

Answer 1

function cleanInput(string){
   return string.replace(/\D/g,'');
}

That will return a string with no non-numeric characters, just set the input's value to the result