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<?php preg_match('/^[\w\.]+$/', 'admin.general.canViewPrivateUserOptions', $matches); var_dump($matches); preg_match('/^[\w-\.]+$/', 'admin.general.canViewPrivateUserOptions', $matches); var_dump($matches); preg_match('/^[\\w-\\.]+$/', 'admin.general.canViewPrivateUserOptions', $matches); var_dump($matches);
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 - 8.3.25, 8.4.1 - 8.4.12
array(1) { [0]=> string(39) "admin.general.canViewPrivateUserOptions" } Warning: preg_match(): Compilation failed: invalid range in character class at offset 4 in /in/66NDo on line 6 array(1) { [0]=> string(39) "admin.general.canViewPrivateUserOptions" } Warning: preg_match(): Compilation failed: invalid range in character class at offset 4 in /in/66NDo on line 9 array(1) { [0]=> string(39) "admin.general.canViewPrivateUserOptions" }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
array(1) { [0]=> string(39) "admin.general.canViewPrivateUserOptions" } array(1) { [0]=> string(39) "admin.general.canViewPrivateUserOptions" } array(1) { [0]=> string(39) "admin.general.canViewPrivateUserOptions" }
preferences:
147.25 ms | 408 KiB | 5 Q