/usr/lib/ruby/1.8/eregex.rb is in libruby1.8 1.8.7.352-2ubuntu1.6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 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
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