Ruby implementation of mathguard. Generate mathematical expression, which can be used as anti spam solution. With plugin can be used in Rails.
Inspired by PHP project mathguard.
Generate expression:
guard = RMathGuard::Expression.new puts guard.show FAT K1Z 8 5 QBZ R7N 21E JNI F 2 U87 CNO GVO => nil
Show result of expression:
guard.result => 0
Rails 2: salax/rmathguard-rails
Rails 3: in development
Ruby implementation of mathguard. Generate mathematical expression, which can be used as anti spam solution. With plugin can be used in Rails.
MIT License