String.str_replace?

ruby-talk
1

Hi all

Any body can help me with this str_replace problem.

thanks

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class String
  def str_replace(str_in,str_out,string = self.to_s) result = String.new str_in_counter = 0 string_pointer = 0
    str_in_counter = 0
   
           string.length.times{ if string[string_pointer] == str_in result += str_out else result += string[string_pointer] end }
           else
               buffer = '' string.length.times{ if string[string_pointer].to_s == str_in[str_in_counter].to_s
                buffer += string_array[string_pointer].dup
                if buffer.length == str_in_length result += str_out str_in_counter = -1
                    buffer ='' end else result += buffer + string[string_pointer]
                str_in_counter = -1
                buffer = ''
            end
            str_in_counter += 1
            string_pointer += 1
        }

    end
      result end

require 'test/unit'

class Test_string_replace < Test::Unit::TestCase
   def test_replace
      check = '03'
      source = 'aa0a3aa'
      assert_equal(check,source.str_replace('a',''))
           check = '03'
      source = 'aaaaaa0aaaa3aaaaaaaa'
      assert_equal(check,source.str_ireplace('aa',''))
     end

end