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1. Download the page which contains diacritics eg: http://geoiptool.com/en/?IP=192.42.43.22 contains Neuchatel with 'a' as a diacritic. 
2. From a UNIX machine get the dump using command line tool 'xxd' of the page and grep the word so that you get hex dump of the alphabet required eg:

   Code Block
   xxd index.html?IP=192.42.43.22 | grep Neuch

   1. The output would be something like :

      Code Block
      0001d00: 6c64 223e 4e65 7563 68e2 7465 6c3c 2f74  ld">Neuch?tel</t

   2. Every two char at left represent one char at right and its starts after the colan":" eg 6c represents I and 64 represents d
3. Count the char to find the missing alphabet which "e2" in our case.
4. Replace the alphabet using the pattern matching for hex by \x

   Code Block
   if($city =~ m/\xe2/){       $city  =\~ s/\xe2/a/g;  }

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