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<?php $tests = [ 'ABCDEF', '123456', '9Z', '!##$%@.', 'ABCD123!@$', 'ABC12389IKEIIJ29', ]; var_export( preg_grep( '~^(?=.*[A-Z])(?=.*\d)[A-Z\d]+$~', $tests ) );
Output for 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array ( 2 => '9Z', 5 => 'ABC12389IKEIIJ29', )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 2 => '9Z', 5 => 'ABC12389IKEIIJ29', )
preferences:
128.89 ms | 402 KiB | 183 Q