From: "Peña, Botp" <botp@...>
Date: 2008-12-04T13:01:57+09:00
Subject: Re: reg exp

From: Hai anh Le [mailto:lhanh@wichiptech.com] 
# while element.size do
#     if element =~ /([Aa]|[Aa]n|[Tt]he)( [^ ]+)(?:[Aa]|[Aa]n|[Tt]he)?/
# then
#       temp_string = $1 +$2
#       temp_array << temp_string
#     else
#       break
#     end
#     element.slice!(temp_string)
# end

if you like to walk thru the string manually, then stringscanner works best.

otoh, you can also try string#split

but my initial reaction was just to find those articles then mark them w newlines (maybe because i'm fond of programming w paper and pencil :)

eg,

>puts s.gsub(/([Aa]|[Aa]n|[Tt]he)\W+/){"\n"+$1+"\s"}

A method for detecting
a post-translationally modified protein with
a glycosyl group comprising contacting
the protein with
a glycosyl transferase enzyme and
a labeling agent, wherein
the labeling agent comprises
a chemical handle and
a transferable glycosyl group.