Javascript code for validating phone number

Our online real-time email verification API can be easily integrated in websites and applications and provides a detailed validation status for each email address.

Code examples are available in several programming languages.

When you’re collecting data from users, there are two key challenges; collecting that information, and validating it. In this article I’ll discuss some of the challenges around collecting, validating, and displaying telephone numbers.

Some types of information are straightforward – someone’s age, for example, couldn’t really be simpler to collect and to validate. Perhaps you’re thinking that since telephone numbers tend to follow a pretty rigid format, such as this: So based on that, we know that the regular expression apparoach isn’t as simple as we first thought – but that’s only the half of it. Sure, if you know that the number you’re collecting is going to be for a specific country, you may be able to use a regular expression. Let’s look at some of the other issues around telephone numbers, and why they make our job even harder.

As a result of the email validation process, you get a detailed validation status for each email address.

We do not send any email to the recipient address during the entire validation process.

Names aren’t as straightforward as they sound, but provided you cater for edge cases and international variations – for example patronymics, the mononymous, or even just people with hyphenated surnames – you can’t go too far wrong (although plenty of applications and services do! Email addresses, while theoretically very easy to validate, have their own challenges – yet nevertheless, there are plenty of regular expressions in the wild that aren’t quite right. All sorts of external factors can have implications for telephone numbering.

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This allows your visitors to correct errors instantly, and only valid email addresses will be accepted.

With our experience in email processing since 2003 - we are the makers of Clean Mail, one of the leading antispam & email security solutions in the market - we know how to validate email addresses better than everyone else.

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