I have been looking around in the PHP function listing for a function that
can find or match one character from a string.  I thought it would be
something like post_str() or something but never found anything close to
that.  I get the idea of post and str from the SQL command.  I did check the
ereg() but it is so confusing, no clear instruction on it.

 $str = "";
 $str = "X";
 $str = "XY"
 $str = "Y";
 $str = "YX";

Those same variables from above, I only need to know if hte "X" exist in the
string, nothing else.


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