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b-coimbra/calc.rb

Created July 26, 2017 14:11
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calc.rb
define_method(:calc) { |c| return eval(c.gsub(/\[/,"(").gsub(/\]/,")").gsub(/(modulus|mod)/i,"%").gsub(/(subtract|minus)/i,"-").gsub(/(add|plus)/i,"+").gsub(/(\^|power by)/i,"**").gsub(/(×|∙|multiplied by)/i,"*").gsub(/(divided by|÷)/i,"/").gsub(/[^0-9\s\-\(\)^*+\/]/,"")) rescue return false }
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