how can i find out whether a character within a word or phrase is a letter or a punctuation character like dot or comma or colon or semicolon (.,:;><) etc ?

the genuine genius

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Use a regular expression match.
  http://www.php.net/pcre
  http://www.php.net/preg_match

I would suggest searching for any character that's NOT an alphanumeric character.


Take care,

Nik
http://www.bigaction.org/