diff options
Diffstat (limited to 'ruby_1_8_5/lib/eregex.rb')
-rw-r--r-- | ruby_1_8_5/lib/eregex.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/ruby_1_8_5/lib/eregex.rb b/ruby_1_8_5/lib/eregex.rb new file mode 100644 index 0000000000..cc7a7f6f46 --- /dev/null +++ b/ruby_1_8_5/lib/eregex.rb @@ -0,0 +1,37 @@ +# this is just a proof of concept toy. + +class RegOr + def initialize(re1, re2) + @re1 = re1 + @re2 = re2 + end + + def =~ (str) + @re1 =~ str or @re2 =~ str + end +end + +class RegAnd + def initialize(re1, re2) + @re1 = re1 + @re2 = re2 + end + + def =~ (str) + @re1 =~ str and @re2 =~ str + end +end + +class Regexp + def |(other) + RegOr.new(self, other) + end + def &(other) + RegAnd.new(self, other) + end +end + +if __FILE__ == $0 + p "abc" =~ /b/|/c/ + p "abc" =~ /b/&/c/ +end |