Use regular expression to check each line of the code : preg_match « String « PHP






  1. PHP
  2. String
  3. preg_match

Use regular expression to check each line of the code

 
<?php
  $file = fopen("data.txt", "r") or die("Cannot open file!\n");

  while ($line = fgets($file, 1024)) {
    if (preg_match("/Hello( World!)?/", $line)) {
      echo "Found match:  " . $line;
    } else {
      echo "No match: " . $line;
    }
  }
  fclose($file);

?>








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