Php script for validating email address

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The first label (without the period) is defined by This ugly regexp is actually quite similar to the one declared earlier.The period separated character sequences in the local-part can now include all the special characters defined in the RFC.This article is part of the HTML Forms Tutorial This Perl script CGI snippet does the same thing as the Java Script.It checks to see if the required fields are there, and if not, saves an error message into a variable for display: The difference with how the CGI writes the error message is that instead of a "\n", it uses the HTML paragraph tag to put a new line in between each error.

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Join author Ray Villalobos in this course as he shows how to validate input from site visitors with HTML5, Java Script, and j Query and then process the data with PHP.Because characters "." and " " have special meaning in regexps they must be escaped with a backslash.The final After these characters there must be a single "@" character.This can make filling out the form tedious, and people might stop in the middle.If you use the following script and Perl source you will know how to validate an entire form at once, displaying a series of error messages that your reader can then go back and fix.

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