21 lines
378 B
Text
21 lines
378 B
Text
s$ = "[[]][]"
|
|
print s$; " = ";
|
|
|
|
if not check_brackets(s$) then print "not ";
|
|
print "ok"
|
|
end
|
|
|
|
function check_brackets(s$)
|
|
level = 0
|
|
for i = 1 to length(s$)
|
|
c$ = mid(s$, i, 1)
|
|
begin case
|
|
case c$ = "["
|
|
level = level + 1
|
|
case c$ = "]"
|
|
level = level - 1
|
|
if level < 0 then exit for
|
|
end case
|
|
next i
|
|
return level = 0
|
|
end function
|