class String
alias old_compare <=>
def <=>(other)
a = self.dup
b = other.dup
# Remove punctuation
a.gsub!(/\,\.\?\!\:\;/, "")
b.gsub!(/\,\.\?\!\:\;/, "")
# Remove initial articles
a.gsub!(/(a |an |the )/i, "")
b.gsub!(/(a |an |the )/i, "")
# Remove leading/trailing whitespace
a.strip!
b.strip!
# Use the old <=>
a.old_compare(b)
end
end
title1 = "Calling All Cars"
title2 = "The Call of the Wild"
# Ordinarily this would print "yes"
if title1 < title2
puts "yes"
else
puts "no" # But now it prints "no"
end