Re: [xsl] Move leading/trailing spaces outside (XSLT 2.0)

[Abel Braaksma <abel.online@xxxxxxxxx>]

Martin Honnen wrote:
> Yves Forkl wrote:
>
> > I'm looking for an elegant XSLT 2.0 solution to this tiny problem. 
> > When processing
> >
> > <e> one</e>
> > <e>two </e>
> > <e> three </e>
> >
> > I want to separate the leading and trailing spaces from the rest of 
> > the content but keep them in the output as text nodes,
>
> This should do:
>
> <xsl:template match="e">
>   <xsl:analyze-string select="." regex="^\s+">
>     <xsl:matching-substring>
>       <xsl:value-of select="."/>
>     </xsl:matching-substring>
>     <xsl:non-matching-substring>
>       <xsl:analyze-string select="." regex="\s+$">
>         <xsl:matching-substring>
>          <xsl:value-of select="."/>
>         </xsl:matching-substring>
>         <xsl:non-matching-substring>
>           <e><xsl:value-of select="."/></e>
>         </xsl:non-matching-substring>
>       </xsl:analyze-string>
>     </xsl:non-matching-substring>
>   </xsl:analyze-string>
> </xsl:template>
You can make this easier by doing it in one pass:

<xsl:analyze-string select="." regex="^\s+|\s+$">
....

Greedy matching (which it is always) will ensure that the 
matching-substring is always either the leading or the trailing. 
Non-matching-substring is always the middle part.

-- Abel