-[\u4EBA\u5730\u5929]
[\u0000-\u4EB9\u4EBB-\u572F\u5731-\u5928\u592A-\u{10FFFF}]
[\x00-\x{4EB9}\x{4EBB}-\x{572F}\x{5731}-\x{5928}\x{592A}-\x{10FFFF}]
Test a string: Show
Compare with: Show
Complemetary