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gabrielengel/symbol_array.rb

Created November 15, 2012 14:02
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Get Symbol Array from a String
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symbol_array.rb
def symbol_array_from_string(value)
regex = /\[((:([^ ,\]])+) *,{0,1} *)+\]/
return value unless value =~ regex
value.scan(/:[^ ,\]]+/).map{|v| v.gsub(/^:/,'').to_sym}
end
result = symbol_array_from_string("[:a, :apple,:dog]")
result == [:a, :apple, :dog]
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