Thursday, 1 March 2012

Easy Email Example

This ones a very quick post about a regular expression I use all the time to validate email addresses within my applications.
A while a go now I had the need to do this and I believe got the regular expression from http://regexlib.com and added into my application.
The regular expression which hasn’t failed me as yet is:
^((\s*[a-zA-Z0-9\._%-]+@[a-zA-Z0-9\.-]+\.[a-zA-Z]{2,4}\s*[,;:]){1,100}?)?(\s*[a-zA-Z0-9\._%-]+@[a-zA-Z0-9\.-]+\.[a-zA-Z]{2,4})*$
This should let all valid emails through and find all emails which aren’t valid.
This is how it should look when implemented.  Obviously the item its linked to will very depending on the name of your item.

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