From: x1 <caldridge@...>
Date: 2006-09-26T10:52:16+09:00
Subject: Re: Regexp Question / gsub Question

Thanks so much Mike.

On 9/25/06, Mike Stok <mike@stok.ca> wrote:
>
> On 25-Sep-06, at 9:35 PM, x1 wrote:
>
> > Hehe.. Awesome!!!!!!!
> >
> > Ok.. one last thing.. : key being a variable.
> >
> > How would you knock this one out? Instead of the string "key", lets
> > repace the occurance of the key variable, which in this case is "key"
> > but could be another string..
> >
> > key = "key"
> > wrapper = ["<b>", "</b>"]
> > strings = ["blahblahKEY", "asdfasdfkey", "Keyasdf", "xxkEYxx",
> > "xxKeyxxKEY"]
> >
> > strings.each do |string|
> >  puts string.gsub(/key/i) {|match| "<b>#{match}</b>"}
> > end
> >
>
> The simple, but incomplete/unsafe, approach might be:
>
> thing = 'key'
> strings.each do |string|
>    puts string.gsub(/#{thing}/i) {|match| "<b>#{match}</b>"}
> end
>
> If "thing" includes regex metacharacters then you might want to
> consider looking at Regexp::escape and figuring out how it could help
> those cases.
>
> Hope this helps,
>
> Mike
>
> >
> > On 9/25/06, Mike Stok <mike@stok.ca> wrote:
> >>
> >> On 25-Sep-06, at 9:27 PM, x1 wrote:
> >>
> >> > Perhaps someone could help with this example? I need to iterate
> >> > through each of the items in strings and wrap any case insensitive
> >> > occurrence of "key" with <b> </b>. If each string was always
> >> just the
> >> > word "key" I would use something like wrapper.join("key") but..
> >> I have
> >> > other text surrounding the "key", various cases and potentially
> >> > multiple occurrences. Thank you in advance.
> >> >
> >> >
> >> > wrapper = ["<b>", "</b>"]
> >> > strings = ["blahblahKEY", "asdfasdfkey", "Keyasdf", "xxkEYxx",
> >> > "xxKeyxxKEY"]
> >> >
> >> > strings.each do |string|
> >> >       # would like to print the string replacing "key" (case
> >> > insensitive) with <b>"key"(in its original case)</b>
> >> > end
> >> >
> >> >
> >> > # Ideally, would output:
> >> >   # "blahblah<b>KEY</b>"
> >> >   # "asdfasdf<b>key</b>"
> >> >   # "<b>Key</b>asdf"
> >> >   # "xx<b>kEY</b>xx"
> >> >   # "xx<b>Key</b>xx<b>KEY</b>"
> >> >
> >>
> >> #!/usr/bin/env ruby
> >>
> >> wrapper = ["<b>", "</b>"]
> >> strings = ["blahblahKEY", "asdfasdfkey", "Keyasdf", "xxkEYxx",
> >> "xxKeyxxKEY"]
> >>
> >> strings.each do |string|
> >>    puts string.gsub(/key/i) {|match| "<b>#{match}</b>"}
> >> end
> >>
> >> Maybe?
> >>
> >> Hope this helps,
> >>
> >> Mike
> >>
> >> --
> >>
> >> Mike Stok <mike@stok.ca>
> >> http://www.stok.ca/~mike/
> >>
> >> The "`Stok' disclaimers" apply.
> >>
> >>
> >>
> >>
> >>
> >>
> >
> >
>
> --
>
> Mike Stok <mike@stok.ca>
> http://www.stok.ca/~mike/
>
> The "`Stok' disclaimers" apply.
>
>
>
>
>
>