XML Schema XML

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  4. Constrain our dotted-quad to use 3-digit numbers in the range 0 to 255

  targetNamespace="http://www.rntsoft.com" xmlns="http://www.rntsoft.com"
  elementFormDefault="qualified">
  
    
              value="(([0-9]{1,2} | [1][0-9]{2} | [2][0-4][0-9] | [2][5][0-5])\.){3}
                 ([0-9]{1,2} | [1][0-9]{2} | [2][0-4][0-9] | [2][5][0-5])" />