Re: Q: n-times matching

< ^ > P N |<>|^_>< --- | ~ ...Help
Hi,

At Mon, 17 Jun 2002 11:16:02 +0900,
kwatch wrote:
> I wrote the following code, but I can't get an expeceted result.
> ..===================== nmatch.rb ========
> str = '<html><body>hogeratta</body></html>'
> while str =~ /<(\/?\w+)>/ do
>     print $1, "\n"
> end
> ..========================================

It matches at same point everytime.

str.scan(/<(\/?\w+)>/) do
  print $1, "\n"
end

pos = 0
while pos = str.index(/<(\/?\w+)>/, pos) do
  print $1, "\n"
  pos += $1.size
end

pos = 0
while str =~ /\A.{#{pos}}.*?<(\/?\w+)>/ do
  print $1, "\n"
  pos = $&.size
end

-- 
Nobu Nakada