Regular Expression Help

Hi all,

I'm trying to use an application to trap and search subjects of inbound email for processing.  The application (Email2DB...in case it matters or you're curious) uses "RegEx" for the string/pattern matching.

Here's an example of a subject being sent in:  Testing Initiated:  SiteA Mail Server

What I need to do is snag the "SiteA" component (this will change from message to message, however the outer boundaries will not...what I mean by that is the inbound message will always contain  Testing Initiated:  
The message will also always end with   Mail Server

The variable is         SiteA

I've tried a number of strings, but all I ever seem to be able to do is find the beginning of SiteA, or find everything after the :

Can anyone help me out with this?

Thanks in advance
jpollnerAsked:
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TommySzalapskiCommented:
Try this:
(?<=Testing Initiated:).*(?= Mail Server)
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TommySzalapskiCommented:
Works here: http://www.gskinner.com/RegExr/
Although, do you want to dodge those spaces too? Then use
(?<=Testing Initiated:  ).*(?= Mail Server)
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NeuropsykopatCommented:
(Testing Initiated:) (.+) (Mail Server)


Matches:
$& [Testing Initiated: SiteA Mail Server]
$1 [Testing Initiated:]
$2 [ SiteA]
$3 [Mail Server]
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