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<?php
 
$string = file_get_contents("test.txt");
$regExp = "/\\b[a-z]{1,4}\\b/ui";
$count = preg_match_all($regExp, $string);
echo $count;

Success #stdin #stdout #stderr 0.03s 52480KB

stdin

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Standard input is empty

stdout

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Standard output is empty

stderr

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PHP Warning:  file_get_contents(test.txt): failed to open stream: No such file or directory in /home/whcpdS/prog.php on line 3

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language:

PHP (php 7.3.5)

created:

visibility:

public

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