Algorithm by Robert R.:
protected string ToggleCaseByRobert(string s)
{
var sb = new StringBuilder(s.Length);
foreach (char c in s)
sb.Append(char.IsUpper(c) ? char.ToLower(c) : char.ToUpper(c));
return sb.ToString();
}
Algorithm by John S.:
protected string ToggleCaseByJohn(string s)
{
StringBuilder mystring = new StringBuilder(s);
for (int i = 0; i < mystring.Length; i++) {
char c = mystring[i];
mystring[i] = Char.IsLower(c) ? Char.ToUpper(c) : Char.ToLower(c);
}
return mystring.ToString();
}
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