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<?php $My_String = preg_replace("/\h+/", "[\h-]+", "alpha beta gamma delta"); $strings = [ "My codephrase is alPha Beta-GaMMa deLTa and your codephrase is ALpha-beTA gAmmA-DElta", "alpha beta gamma delta", "alpha beta gamma-delta", "alpha beta-gamma delta", "alpha beta-gamma-delta", "alpha-beta gamma delta", "alpha-beta gamma-delta", "alpha-beta-gamma delta", "alpha-beta-gamma-delta", "alpha-beta-gamma-d" ]; foreach ($strings as $str) { $str = preg_replace("/\b$My_String\b/i", "<strong>$0</strong>", $str); echo $str . PHP_EOL; }
Output for 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 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
My codephrase is <strong>alPha Beta-GaMMa deLTa</strong> and your codephrase is <strong>ALpha-beTA gAmmA-DElta</strong> <strong>alpha beta gamma delta</strong> <strong>alpha beta gamma-delta</strong> <strong>alpha beta-gamma delta</strong> <strong>alpha beta-gamma-delta</strong> <strong>alpha-beta gamma delta</strong> <strong>alpha-beta gamma-delta</strong> <strong>alpha-beta-gamma delta</strong> <strong>alpha-beta-gamma-delta</strong> alpha-beta-gamma-d
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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