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Matching multiple strings in RegExp

Posted on 2004-08-19
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Last Modified: 2008-02-26
I want to use VB rebexp regular expressions object to match multiple strings with different structure.  e.g. In "37g" I want to match "37" as one string and "g".  I tried:

  objRE.Pattern = "([0-9]+)([a-z]+)"
  objRE.Global = True
  Set objMatches = objRE.Execute(SizeString)

but objMatches.count always comes back as 1 and the match is "37g"

I thought that by using two sets of brackets I should get two matches in the objMatches collection (that's what it implies on MSDN: "Matches pattern and remembers the match. The matched substring can be retrieved from the resulting Matches collection, using Item [0]...[n]. To match parentheses characters ( ), use "\(" or "\)".")

Dan
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Question by:danpid
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mvidas earned 600 total points
ID: 11840413
Hi Dan,
you could try the | symbol, meaning OR in regexp.

objRE.Pattern = "([0-9]+)|([a-z]+)"

objRE.Pattern = "\d{2}|[a-z]{1}"      will also have the same affect, will consider a match to be either 2 digits or one lower case letter

Matt
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by:danpid
ID: 11840678
Thanks Matt.  VB seems to have a different approach to regex to that which I am used to (from perl etc).

\d is handy too
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Expert Comment

by:mvidas
ID: 11841139
Not a problem, I'm used to it in VBA for excel, but its the same thing.  Thanks for the grade!
Matt
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