<?php
  # URL that generated this code:
  # http://txt2re.com/index-php.php3?s=42%2043&2&11&-10

  $txt='42 43';

  $re1='.*?';	# Non-greedy match on filler
  $re2='.';	# Uninteresting: c
  $re3='(.)';	# Any Single Character 1
  $re4='( )';	# Any Single Character 2
  $re5='(\\d+)';	# Integer Number 1

  if ($c=preg_match_all ("/".$re1.$re2.$re3.$re4.$re5."/is", $txt, $matches))
  {
      $c1=$matches[1][0];
      $c2=$matches[2][0];
      $int1=$matches[3][0];
      print "($c1) ($c2) ($int1) \n";
  }

  #-----
  # Paste the code into a new php file. Then in Unix:
  # $ php x.php 
  #-----
?>