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

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PHP » String » 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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