Hi All,

 

A user complained that they could not sign up to PokerDIY as it kept saying "Invalid Email". Their email is

"********-22@hotmail.fr"

(8 normal chars instead of the *)

I think it is the "-22" that the filter is not liking (and this is a valid address as he emailed me using it).

So - firstly, can anyone help me with the RegEx expression please - I only know the basics!

and Secondly - it would be nice to get the fix shipped in the core - there may be a lot of people not signing up without knowing it (I found the person's complaint by accident on a French Forum using Google!).

 

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Entrepreneur

PokerDIY Tournament Manager - PokerDIY Tournament Manager<
PokerDIY Game Finder - Mobile Apps powered by DNN
PokerDIY - Connecting Poker Players

The problem occurs because of the way some characters are treated when inside a character class [ ].  If you look at the character class [a-zA-Z0-9._%-+'] notice the expression 'a-z' this means to include all characters in the range 'a to z'.  Somehow I don't think that the original author intended for %-+ to designate a range, which would include parenthesis, asterisk and a few other invalid characters in an email address?  Instead that portion of the regex should have been %\-+ the backslash is an escape character and tells the regex engine to treat the dash as a regular character and ignore its special meaning.  The final regex should look like this:

\b[a-zA-Z0-9._%\-+']+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}\b

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Joe Brinkman
DNN Corp.

That is a great fix! 

Also for those interested I have a regEx tester tool that you can use to see how your regex will function on my site at http://www.mitchelsellers.com under the Tools menu option.

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-Mitchel Sellers
Microsoft MVP, ASPInsider, DNN MVP
CEO/Director of Development - IowaComputerGurus Inc.


Visit mitchelsellers.com for my mostly DNN Blog and support forum.

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