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Editorial Team
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Asked: 2026-06-09T10:29:20+00:00

In the following code why the PHP preg_match returns false? note: I have read

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In the following code why the PHP preg_match returns false?
note: I have read some older questions with the same title as my question but the context was different

<html>
    <head>
    </head>
    <body>
        <?php
        $str = "This is a test for PCRE.";
        $ptrn = "This";
        $preg_match_result_arr;
        $preg_match_result = preg_match($ptrn, $str, $preg_match_result_arr);

        if (1 === $preg_match_result)
        {
            echo "The pattern has matched in the string:<br/>".
                "the match is $preg_match_result_arr[0]<br/>";
        }   
        elseif (0 === $preg_match_result) 
        {
            echo "The pattern has not matched in the string:<br/>";
        }
        elseif (false === $preg_match_result)
        {
            echo "An error has occured in matching<br/>";
        }

        ?>
    </body>
</html>
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1 Answer

  1. Editorial Team

    You are missing the delimiters, your pattern should look like (# used but it can be something else):

    $ptrn = "#This#";
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