   chars          desc              
   <chr>          <chr>             
 1 "\u0001\u001f" C0 control code   
 2 "\a\b\f\n\r\t" Named control code
 3 "abcdefuvwxyz" ASCII             
 4 "\u0080\u009f" C1 control code   
 5 " ¡¢£¤¥úûüýþÿ" Latin-1           
 6 "ĀāĂăĄąĆćĈĉĊċ" Unicode           
 7 "！＂＃＄％＆" Unicode wide      
 8 "\u0e00\u2029" Unicode control   
 9 "x­x​x‌x‍x‎x‏x͏x﻿x󠀁x󠀠x󠇯x" Unicode ignorable 
10 "àáâãāa̅ăȧäảåa̋" Unicode mark      
11 "😀😁😂😃😄💃" Emoji             
12 "x\U0010ffffx" Unassigned        
13 "\xfd\xfe\xff" Invalid           
14 "\\"           Backslash         
15 "\""           Quote             
