public static StringBuilder MoveCursorToLineStart(this StringBuilder sb)
{
int cursorLine = sb.FindIndexLine(sb.FindCursorIndex());
int index = sb.FindLineIndex(cursorLine);
sb.RemoveCursor().AddCursorIndex(index);
return(sb);
}
public static int FindLine(this StringBuilder sb, string s)
{
return(sb.FindIndexLine(sb.ToString().IndexOf(s)));
}
private static int FindCursorLine(this StringBuilder sb)
{
return(sb.FindIndexLine(sb.FindCursorIndex()));
}
