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  1. <?php
  2.  
  3. $str = 'jennie-garth-jennie-garth-inner-city-arts-gala-october-17-2012-If9aSpTWe';
  4. echo preg_replace('/-(?:[^-\n]*[A-Z]){2,}[^-\n]*$/', '', $str);
Success #stdin #stdout 0.01s 52488KB
stdin
Standard input is empty
stdout
jennie-garth-jennie-garth-inner-city-arts-gala-october-17-2012