Javascript function for validating phone number

This would need to be updated for international numbers, or to allow users to enter phone numbers using letter representation.

In a real case, this function would probably be called as part of a larger validate form function.

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.

Although the tilde character (~) can appear within a phone number to indicate the existence of an additional dial tone, it has been excluded from this regular expression since it is merely a procedural element (in other words, it is not actually dialed) and is infrequently used. It is used by a growing number of domain name registries, including .

javascript function for validating phone number-7javascript function for validating phone number-36javascript function for validating phone number-80

When the user presses Enter, than java Script checks that phone number is valid or not. This java Script code determine whether a user entered phone number in a common format that includes 0999999999, 099-999-999, (099)-999-9999, (099)9999999, 0, 099 999-9999, (099) 999-9999, 099.999.9999 and all related combinations For this we use this regular expression: /^\(? Recently i have posted how to validate email address in javascript, how to validate mobile number and email address in jquery and not i will show you how to validate mobile number using simple javascript or using regular expression in javascript.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).

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