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  #1  
Old August 6th, 2012, 10:35 AM
roadglide03 roadglide03 is offline
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Question Want to grab hostname out of filename?

I want to be able to parse out the HOSTNAME of this example below, any help would be appreciated I am learning regex as I go. It is for scripting no particular language:

filename.08ad562.HOSTNAME-2012.08.02.13.50

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  #2  
Old August 6th, 2012, 11:18 AM
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HOSTNAME is the only part that is between a period and a hyphen?
Code:
(?<=\.)[^-]+

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Old August 6th, 2012, 12:15 PM
roadglide03 roadglide03 is offline
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Did not work it gave me this:

838a8dad.v210
08.02.13.50

Here is the an actual filename: explorer.838a8dad.v210-2012.08.02.13.50

In this example I only want v210 which is the hostname but hostnames will vary

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Old August 6th, 2012, 12:36 PM
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Hmm, yes it would do that...
Code:
(?<=\.)[^.-]+

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Old August 6th, 2012, 12:50 PM
roadglide03 roadglide03 is offline
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Unfortunately is doesn't, I tested it via RegExRX on my Mac but this site also shows same thing: on regex planet

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Old August 6th, 2012, 01:59 PM
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...Where's the lookahead? Why isn't the lookahead in there?
Code:
(?<=\.)[^.-]+(?=-)

I'm surprisingly off the ball today. Time for a lunch break.

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Old August 6th, 2012, 03:15 PM
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Sweet that worked, thanks now I can continue what I was doing, So it was a look behind, not character in set one or more times, and look ahead. Thanks thats awesome!

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