dating pictures in the 1920 - Validating phone number javascript

by  |  26-Jun-2018 15:22

The rules and conventions used to print international phone numbers vary significantly around the world, so it’s hard to provide meaningful validation for an international phone number unless you adopt a strict format.Fortunately, there is a simple, industry-standard notation specified by ITU-T E.123. This regular expression follows the international phone number notation specified by the Extensible Provisioning Protocol (EPP).This notation requires that international phone numbers include a leading plus sign (known as the ), and allows only spaces to separate groups of digits. EPP is a relatively recent protocol (finalized in 2004), designed for communication between domain name registries and registrars.

validating phone number javascript-67

This data is passed to ASP script, or some other technology and if the data contains an error, there will be a delay before the information travels over the Internet to the server, is examined on the server, and then returns to the user along with an error message.

If you run a validation of the users form input before the form is submitted, there will be no wait time and redundant load on the server.

validate Password ( ) The function below checks the password field for blankness and allow only letters and numbers - no underscopes this time.

So we should use a new regular expression to forbid underscopes. Next, we want to permit only passwords that contain letters and at least one numeral.

validate Phone ( ) The function below checks if the phone number is valid.

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