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<?php var_dump(preg_match('~(?=.*\d)(?=.*[a-z])~i', 'a1')); var_dump(preg_match('~(?=.*\d)(?=.*[a-z])~i', 'aaa')); var_dump(preg_match('~(?=.*\d)(?=.*[a-z])~i', '111')); var_dump(preg_match('~(?=.*\d)(?=.*[a-z])~i', '1a'));
Output for 5.6.38, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
int(1) int(0) int(0) int(1)
preferences:
100.76 ms | 1462 KiB | 4 Q