Simple Character Indexing

Commentary Code Result
Commentary 'abcdef'[7 6 5 4 3 2 1 0]:hex  fedcba
26666662
06543210
Commentary 'abcd'=>a;
a[0 0.1 1 1.1 2 2.1 3 3.1 4 4.1]:hex
  a b c d
2262626262
0010203040
Commentary 'abcdefghi'=>a;
a[2..5] $;
a[4` +1] $;
bcde
bcde
Commentary 'abcde'=>a;
'CD'=>[3 4]a;
a:hex$;
abCDe
66446
12345
Commentary 'abcde'=>a;
'DCX'=>[4 3 9 2]a;
a:hex $;
a CDe
62446
10345
Commentary 'abcde'=>a;
'DCX'<-4 $ =>[4 3 9 2]a;
a:hex $;
DCX
a CDe
62446
10345 
Commentary 'abcdef'["11001101"]:hex abef
66662
12560
Commentary 'abcdef'[]:hex abcdef