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Re: How to split an RegEx into several lines for read

Subject: Re: How to split an RegEx into several lines for readability?
From: "Dimitre Novatchev" <dnovatchev@xxxxxxxxx>
Date: Sun, 29 Apr 2007 12:43:24 -0700
Re:  How to split an RegEx into several lines for  read
Thank you, Rashmi.

So is there something more elegant than using concat() ?


-- Cheers, Dimitre Novatchev --------------------------------------- Truly great madness cannot be achieved without significant intelligence. --------------------------------------- To invent, you need a good imagination and a pile of junk ------------------------------------- You've achieved success in your field when you don't know whether what you're doing is work or play


On 4/29/07, Rashmi Rubdi <rashmi.sub@xxxxxxxxx> wrote:
Hi Dimitre,

I've just begun to read a book on Regular Expressions and in the book
they strongly discourage unintended white spaces.

Here's an excerpt "...Placing unintended white spaces in a regular
expression can radically alter the meaning of the regular expression
and can turn what ought to be matches into nonmatches, and vice versa.
When creating regular expression patterns, you need to be meticulous
about handling whitespace..." taken from Beginning Regular Expressions
by Andrew Watt.

-Regards
Rashmi

On 4/29/07, Dimitre Novatchev <dnovatchev@xxxxxxxxx> wrote:
> As I am an absolute RegEx beginner, please excuse me if this is a
> trivial question.
>
>
> At the moment I am playing with:
>
>  <xsl:analyze-string select="$vstrInput"
> regex='([\s]*)(("[^"\\]*((\\.[^"\\]*)*"))|((([-]?[0-9]+)?\.)?[-]?[0-9]+([eE][-+]?[0-9]+)?
> ))(.*)$' flags="m">
>
>
> which should match only the first quoted-string or number in the
> string-argument.
>
> Is there any way I can split this RegEx on separate lines and/or add
> whitespace so that it would be more readable?
>
>
> --
> Cheers,
> Dimitre Novatchev

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