regular expression question

[Michael Kay]

Being an old-fashioned XPath 1.0 sort of person, I would tend to write

contains($p, ',') and not(contains($p, ';'))

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: http://xquery.com/mailman/listinfo/talk 
> [mailto:http://xquery.com/mailman/listinfo/talk] On Behalf Of Howard Katz
> Sent: 28 June 2005 21:46
> To: http://xquery.com/mailman/listinfo/talk
> Subject:  regular expression question 
> 
> I haven't done much to date with regular expressions, so 
> here's what I'm
> sure is a very easy question (if you know the answer! :-)
> 
> I have <p> elements containing text that is separated 
> internally by either
> comma or semicolon delimiters or both. I want a regular 
> expression that'll
> let me tokenize a <p> element into its constituent pieces only if it
> contains one or more comma separators and *doesn't* contain a 
> semicolon. Ie,
> what's goes in the regular expression slot for
> 
>    for $p in ... /p
>    return
>        if ( fn:matches( $p, " ??? comma-yes semicolon-no ??? " ))
>        then let $tok := fn:tokenize( $p, "," )
>        else ...
> 
> TIA,
> Howard
> 
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