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<?php mb_regex_encoding("UTF-8"); mb_ereg_search_init('dogle|dog'); $a = mb_ereg_search_regs('dog)', 'u'); print_r($a);
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: mb_ereg_search_regs(): mbregex compile err: unmatched close parenthesis in /in/8bOgG on line 4
Output for 4.3.4 - 4.3.11, 4.4.0 - 4.4.9
Warning: mb_ereg_search_regs(): mbregex compile err: unmatched ) in /in/8bOgG on line 4
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_regex_encoding() in /in/8bOgG on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_regex_encoding() in /in/8bOgG on line 2

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