1 # brackets, and numerous perversions thereof
25 a[[.notdef.]]b &C ECOLLATE
27 a[[:alpha:]]c & abc abc
28 a[[:notdef:]]c &C ECTYPE
32 a[[:alpha,:] &C ECTYPE
36 a[[:alphabet:]] &C ECTYPE
37 [[:alnum:]]+ - -%@a0X- a0X
38 [[:alpha:]]+ - -%@aX0- aX
39 [[:blank:]]+ - aSSTb SST
40 [[:cntrl:]]+ - aNTb NT
41 [[:digit:]]+ - a019b 019
42 [[:graph:]]+ - Sa%bS a%b
43 [[:lower:]]+ - AabC ab
44 [[:print:]]+ - NaSbN aSb
45 [[:punct:]]+ - S%-&T %-&
46 [[:space:]]+ - aSNTb SNT
47 [[:upper:]]+ - aBCd BC
48 [[:xdigit:]]+ - p0f3Cq 0f3C