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<?php $string = "Hello my Name Is Paloppa: CIao I'm 20 And? Hello! Words' Man Ab"; // Word boundary before the first uppercase letter, followed by any alphanumeric character preg_match_all('/(?<!^)\b[A-Z][a-zA-Z]{1,}\.+[A-Z][a-zA-Z]{1,}\b(?!["!?.\\\'])/', $string, $matches); print_r( $matches[0] );
Output for 7.1.25 - 7.1.30, 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 - 8.3.25, 8.4.1 - 8.4.12
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