- if "".respond_to?("valid_encoding?")
- def self.valid?(str)
- return true if str.nil?
- str.valid_encoding?
- end
- else
- require "iconv"
-
- def self.valid?(str)
- return true if str.nil?
- Iconv.conv("UTF-8", "UTF-8", str)
- return true
- rescue
- return false
- end