Search ('all' for everything):
Search results:
&ascii
— ASCII characters
&cset
— all characters
&digits
— digits
&lcase
— lowercase letters
&letters
— letters
&ucase
— uppercase letters
cset
— convert to cset
x++x
— compute cset or set union
x––x
— compute cset or set difference
x∗∗x
— cset or set intersection
~c1
— compute cset complement
Index of Function Types:
affects &pos
character sets
co-expressions
control structures
file processing
generators
infix operations
keywords
lists, sets and tables
math
metadata
output formatting
pattern matching
prefix operations
records
strings
windows and keyboards
Index of Subsystems:
base
digitcnt.icn
SNOBOL4 functions
base
—
character sets
,
prefix operations
~c1
compute cset complement
Description
~c1: c2
~
c1
produces the cset complement of
c1
with respect to
&cset
.
Parameters
c1
character set to complement
returns
complement of
c1
.
Errors
104
c1
is not a character set