문자열] 자리수만큼 잘라서 특정 문자 넣기.

 

자리수만큼 잘라서 특정 문자 넣기.

 StringBuilder sb = new StringBuilder("abcdefghijklmnopqrstuvwxyz");
int cnt = 0;
const int LINECHARLENGTH = 4;
bool isRun = true;
while (isRun)
{
cnt += LINECHARLENGTH;
isRun = cnt < sb.Length;
if (isRun == false) break;

sb.Insert(cnt, Environment.NewLine);
cnt += Environment.NewLine.Length;
};