Regular expression for validating email address in javascript

Posted by / 10-Feb-2016 17:15

Regular expression for validating email address in javascript

provides a declarative way of validating javascript objects.It is unit tested with 100% code coverage and can be considered fit for production.in Javascript The follow snippet is a function I use to validate email addresses.It is a very simple function which uses a regular expression pattern match to test if a email is of a correct format. This takes in a parameter of the email address and then runs a pattern match against the regular expression.

If the search() method returns a -1, then an alert would tell the user that an invalid email address has been entered and returns a false value.

Using regular expression in Java Script, you can easily validate the email address before submitting the form.

We’ll use the regular expression for validate an email address in Java Script.

This is done using a Javascript program on the client side, the Javascript program uses a regular expression pattern to test the input of each form field.

Usually, in a form some fields are optional while some fields are mandatory, hence a javascript program is used to check if the input field is empty or null.

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Unwanted parentheses surrounding area codes or telephone numbers, can be removed using regular expression and method replace() The regular expression searches for one or more parentheses, spaces or dashes , globally.

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