Nice one, I was trying something similar but with out the +

This RegEx stuff is a bit of a laugh don't ya think?

Ade

-----Original Message-----
From: Paul Johnston [mailto:[EMAIL PROTECTED]
Sent: 12 June 2003 17:13
To: [EMAIL PROTECTED]
Subject: RE: [ cf-dev ] OT - Perl RegEx


.* is always a bad idea (unless you want to collect EVERYTHING).

Use [^"]+ instead

Paul

> -----Original Message-----
> From: Adrian Lynch [mailto:[EMAIL PROTECTED] 
> Sent: 12 June 2003 17:03
> To: '[EMAIL PROTECTED]'
> Subject: RE: [ cf-dev ] OT - Perl RegEx
> 
> 
> Ok, I can get it to work by putting a space after the final ]
> 
>       m/href\s*=\s*['|"](.*)['|"] /i
> 
> instead of 
> 
>       m/href\s*=\s*['|"](.*)['|"]/i
> 
> But when I try 
> 
>       m/href\s*=\s*['|"](.*)['|"]\s*/i
> or
>       m/href\s*=\s*['|"](.*)['|"] */i
> 
> It doesn't work. Does anyone know why? 
> 
> Ade
> 
> -----Original Message-----
> From: Adrian Lynch [mailto:[EMAIL PROTECTED]
> Sent: 12 June 2003 16:39
> To: Dev (E-mail)
> Subject: [ cf-dev ] OT - Perl RegEx
> 
> 
> I'm trying to extract the href from a <a> tag. So from the 
> one below I want http://www.google.com
> 
>       my $description = 'Some text <a href = 
> "http://www.google.com"; target="_blank">www.google.com</a>';
> 
>       my $href = "";
> 
>       if ( $description =~ m/href\s*=\s*['|"](.*)['|"]/i ) {
>               $href = $1;
>       } else {
>               $href = "No find";
>       }
> 
>       print "href: $href\n";
> 
> This works if the <a> tag only has the href attribute, but 
> when another is added, like the target above, it pulls out:
> 
>       http://www.google.com"; target="_blank
> 
> which isn't what I want.
> 
>       m/href\s*=\s*['|"](.*)['|"]/i
> 
> My understanding of the above line is,
> 
>       m/href          match starting from "href",
>       \s*             then zero or more white space,
>       =               then "=",
>       \s*             then zero or more white space,
>       ['|"]           then either a single or double quote,
>       (.*)            then anything(this being the bit I want to pull
> out),
>       ['|"]           then either a single or double quote
>       /i              non case sensitive
> 
> How do I tell it to stop at the first single or double quote 
> after the first?
> 
> Also, I'll be going on to try and allow no quotes around the 
> href attribute, a client will be supplying the input for 
> this. Can anyone think of other ways of improving this?
> 
> Thanks
> 
> ------------------------------------------------------------------ 
> Adrian Lynch 
> Web Application Developer 
> Thoughtbubble Ltd 
> Full Service Agency
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