Palindrome Check

 

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Checks a word to see if its a palindrome

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--------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------- --   PALINDROME CHECK -- --   Use a repeat loop to check if the characters (or numbers) in the first half of a --   field are equal to the characters in the last half, starting from the last one. -- --   Kurt * Belgium     05/14/2001 -- --------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------- on mouseup me      --First this behavior counts how many characters there are in your word,   --and puts this number in a variabele.   Characters = (member "Word").chars.count      --The number of characters is divided in two (integer division), so the repeat   --loop can compare the characters in the first half with the characters in the last half   Firsthalf = Characters / 2      --The value in Palindrome is used later, when its equal to the value in Firsthalf;   --the word is a palindrome.   Palindrome = 0      repeat with I = 1 to Firsthalf     --If the first character = the last character Palindrome's value gets increased     if (member "Word").char[I] = (member "Word").char[Characters] then       Palindrome = Palindrome + 1     end if          --The last character becomes the last but one ("I" will represent the second     --character in the next loop)     Characters = Characters - 1   end repeat      --If the two values match, it's a palindrome,it doesn't matter if the word has   --an odd number of characters, the one in the middle isn't compared to anything.   if Palindrome = Firsthalf then     alert "This is a palindrome !"   else     alert "This is not a palindrome !"   end if    end mouseup