Re: Regex groups / was: Re: Move leading/trailin

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Subject: Re: Regex groups / was: Re: Move leading/trailing spaces outside (XSLT 2.0)
From: Martin Honnen <Martin.Honnen@xxxxxx>
Date: Tue, 06 Feb 2007 17:57:42 +0100

Yves Forkl wrote:

Though familiar with RegExp functions in various languages, I am not sure how this one works, so I wonder what happens when the condition of the first regex group cannot be satisfied. Supposing that the second matches, will I then have to refer to it as regex-group(1) or still as regex-group(2)? I.e., do the numbers index the groups defined in the regex or the substrings that actually matched one of the groups?

The group-number argument refers to the number of subexpressions in parentheses. If the subexpression does not match anything then regex-group(index) returns the empty string <http://www.w3.org/TR/xslt20/#function-regex-group>

--

	Martin Honnen
	http://JavaScript.FAQTs.com/

Current Thread

Re: Move leading/trailing spaces outside (XSLT 2.0), (continued)
- Martin Honnen - 6 Feb 2007 14:23:33 -0000
  - Abel Braaksma - 6 Feb 2007 15:13:35 -0000
    - Yves Forkl - 6 Feb 2007 15:54:33 -0000
- Abel Braaksma - 6 Feb 2007 15:49:55 -0000

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