Home Contents | # ctype.iscntrl | Ctype | Core4 Lua Commands

## SYNOPSIS

result = ctype.iscntrl(code)

## DESCRIPTION

The ctype.iscntrl function tests for any control character.

## RETURN VALUE

The function returns a boolean indicating if the character test succeeded.

## SEE ALSO

ctype.isalnum, ctype.isalpha, ctype.isascii, ctype.isblank, ctype.isdigit, ctype.isgraph, ctype.islower, ctype.isprint, ctype.ispunct, ctype.isspace, ctype.isupper, ctype.isxdigit