Back
  Searching for substring with strpos vs perl-style regex
strpos x 2.07 faster 0.0028 preg_match 0.0058
  Searching for substring with perl-style regex vs ereg
preg_match x 2.44 faster 0.0057 ereg 0.0139

Testing PHP 5.0.0b4 Completed on Linux. Benchmark done on: 01-Mar-2004 12:40:42

(c) 2003-2004 John Lim PHP Benchmark Suite (PHP BS 1.0).