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@ 2024-02-13T06:39:24Z

<?php

$address = "#&#&#&";
$delimiter = '#&';
if (preg_match('~^(?:' . preg_quote($delimiter) . ')+$~', $address)) {
    echo 'Text comprised solely of one or more delimiting substrings';
}

Output
Performance
VLD
References
Branches

preg_match: documentation ( source)
preg_quote: documentation ( source)

preferences:dark modelive previewkey bindings

26.58 ms | 405 KiB | 5 Q