Online PHP editor | output for 5ceZt

@ 2018-05-21T21:26:48Z

<?php

$strings = ['This is. a.. test...',
            'This is a........... test.',
            '...This is. a.. ..test',
            'This is a test',
            'This. is... a. test.'
           ];
foreach ($strings as $string) {
    if (preg_match('~(?<!\.)\.{3}(?!\.)~', $string)) {
        echo "Yes, found an occurrence of not more than 3 dots in a row ($string)";
    } else {
        echo "Nope, no occurrence of exactly 3 dots in a row ($string)";
    }
    echo "\n";
}

Output for 5.6.38, 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: Yes, found an occurrence of not more than 3 dots in a row (This is. a.. test...) Nope, no occurrence of exactly 3 dots in a row (This is a........... test.) Yes, found an occurrence of not more than 3 dots in a row (...This is. a.. ..test) Nope, no occurrence of exactly 3 dots in a row (This is a test) Yes, found an occurrence of not more than 3 dots in a row (This. is... a. test.)

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