unicode = require 'aegisub.unicode'.

unicode.charwidth #

width = unicode.charwidth(instring, index=1)

indexinstring

indexinstring

unicode.chars #

for char in unicode.chars(instring) do ... end

char

unicode.len #

length = unicode.len(instring)

instring.

unicode.codepoint #

val = unicode.codepoint(instring)

instring.

unicode.to_upper_case #

upper = unicode.to_upper_case(instring)

unicode.to_lower_case #

lower = unicode.to_lower_case(instring)

unicode.to_fold_case #

folded = unicode.to_fold_case(instring)