[Ruby] regex question

[Daevid Vincent]

I've always liked "Regex Coach"
http://weitz.de/regex-coach/
http://weitz.de/regex-coach/#older

DÆVID  

> -----Original Message-----
> From: ruby-bounces at zenspider.com 
> [mailto:ruby-bounces at zenspider.com] On Behalf Of Andrew Nutter-Upham
> Sent: Monday, February 12, 2007 11:05 AM
> To: Seattle Ruby Brigade!
> Subject: Re: [Ruby] regex question
> 
> I find visual feedback helpful when learning or working with 
> complex regexes
> try:
> http://laurent.riesterer.free.fr/regexp/
> 
> 
> On 2/12/07, Mike Mondragon <mikemondragon at gmail.com> wrote:
> >
> > On 2/12/07, shaners becker <veganstraightedge at gmail.com> wrote:
> > > i have two questions about regexs:
> > >
> > > 1. what's a good starting resource for learning regex? 
> someone told
> > > me about some ajaxy site that teaches the beginning in and outs of
> > > regex. anyone know of that?
> > >
> > > 2. just in textmate, i'm trying to do a find and replace 
> that needs a
> > > regex. its an xml file and i want to remove all of one type of tag
> > > and its contents. say the tag is "book":
> > >
> > > <book>moby dick</book>
> > >
> > > how do i say find all: <book>...anything here...</book>?
> > >
> > > thanks
> > > shaners
> > >
> > >
> > > -----------
> > > join the resistance. fall in love.
> > > http://theresistancearmy.com/
> >
> > I just practice a regexp in irb to make sure it works correctly.
> >
> > Sounds like you need a global substitution in place.  Try 
> this out in
> > irb .* is greedy and assumes that there is only one <book>foo</book>
> > per line.  Also gsub! modifies the receiver, gsub returns a new
> > string.
> >
> > b="<book>moby dick</book>\nhello\n<book>another book</book>"
> > b.gsub(/<book>.*<\/book>/, "")
> > b.gsub!(/<book>.*<\/book>/, "")
> >
> > --
> > Mike Mondragon
> > http://mondragon.cc/
> > _______________________________________________
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> >
> 
> 
> 
> -- 
> Andy
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