Check Phone-number

Mar 16, 2007

I want to check phone-nummers of 10 characters long en only 0-9
no - so far i have the following script:

function isTel(string) {
if (string.length == 10) {
return true;
}
else
return false;
}

The check on 10 characters is ok but how to check only 0-9???

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