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Got another question. I have this assignment I need to do and I thought I understood what to do, but turns out I don't. So far I have this:

([a-z0-9][-a-z0-9_\+\.]*[a-z0-9])@([a-z0-9][-a-z0-9\.]*[a-z0-9]\.(com|net|org)

Every time I run the php code I get an error (I have the php tags at the start and end of the code just didn't include them). What I need to know is how to display this correctly so I can actually test what I'm supposed to be testing. For reference, this is what I am actually supposed to do.

Design a regular expression pattern that accepts email address

"[email protected]", "[email protected]", and "[email protected]"

but does not accept "[email protected]", "[email protected]", and "alan.smithee@test".

Test it with a script.

nico43624
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    What is your php code and what error do you get? – revo Apr 16 '18 at 21:13
  • Does it HAVE to be with regex? Possible duplicate of: https://stackoverflow.com/a/12026863/8837781 (see bottom of answer for REGEX, be sure to reed the NOTE) – Joas Apr 16 '18 at 21:19
  • only com net org??? and all the rest ? –  Apr 16 '18 at 21:26

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I would like to recommend a Regex online debugger like regex101; it explain part by part your regex code, and what is the function of each part. Also you're missing the ) that closes the parentheses of @(:

                                missing the closing parentheses of this.
                                  |
([a-z0-9][-a-z0-9_\+\.]*[a-z0-9])@([a-z0-9][-a-z0-9\.]*[a-z0-9]\.(com|net|org)
Julian David
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