Newlines and carriage returns cause erroneous matches in StringScanner

[mred@…]

require 'strscan'
["\na", "\ra", " a"].each do |s|
  scanner = StringScanner.new(s)
  scanner.scan(/a/)
  puts scanner.inspect
end

Ruby 1.9.1 results

#<StringScanner 0/2 @ "\na">
#<StringScanner 0/2 @ "\ra">
#<StringScanner 0/2 @ " a">

MacRuby 3968 results

#<StringScanner fin>
#<StringScanner fin>
#<StringScanner 0/2 @ " a">

[lsansonetti@…]

Still doesn't work as of trunk.

[lsansonetti@…]

Maybe the _scan method in lib/strscan.rb should compile the regexp differently.

instead of

      headonly_pattern = Regexp.new('^' + pattern.source, pattern.options)

do

      headonly_pattern = Regexp.new('^[\n\r]+' + pattern.source, pattern.options)

Assigning to Matt and screening for 1.0.

[mattaimonetti@…]

fixed in r5204 Used \A instead of ^.