Validating number

Registration is required through our Business Services Online Welcome page.Third-party preparers need only register once in their own firm's name.Select "Register" and complete the registration form and select your own password.Social Security will verify your identity against our records and display a User ID.Make note of your the User ID, password and expiration date.It turns out that there's something of a spec for this, at least for North America, called the NANP. Beyond that - the list you gave does not include another common US format - leaving off the initial 1.

And while stripping all/most non-numeric characters may work well on the server side (especially if you are planning on passing these values to a dialer), you may not want to thrash the user's input during validation, particularly if you want them to make corrections in another field.

My test script downloads a file from the internet and prints all the phone numbers in it. Maintaining a complex rule-set which could be outdated at any point in the future by any country in the world does not sound fun.

Validating number comments

  • Validating numbers - CodeProject profil de paulette60


    Code sample demonstrating the validation of numbers in C++. Now, we work on the resulting array of elements to check for spaces captured within digits or points. If the array has spaces within, then it is not a valid number. If there are no spaces, then we check for the number of points. If there.…
  • Phone Validator Valid Phone Number Verification & Checker Online profil de paulette60


    With our real-time phone number validation service you can easily verify if a phone number is real and valid. We also offer Phone Number List Cleaning and an Online API for Phone Number Validation.…