fork(1) download
  1. <?php
  2.  
  3. $conta = "5149.3074*{{INPUT}}^(0.0001)-5129.6906";
  4. preg_match('^\((.*)\)^', $conta, $match);
  5. print $match[1];
Success #stdin #stdout 0s 82944KB
stdin
Standard input is empty
stdout
0.0001