/// <summary>
/// Takes in a string, and returns a boolean indicating whether the given string
/// contains valid code bracket pairs, or false if it contains invalid/unpaired brackets.
/// </summary>
/// <param name="input"></param>
/// <returns> Boolean indicating if given string has valid bracket pairs </returns>
public static bool MultiBracketValidation(string input)
{
CharStack stack = new CharStack();
foreach (char c in input)
{
if (c == '[' || c == '(' || c == '{')
{
stack.Push(new CharNode(c));
}
else if (c == ']')
{
if (stack.Peek() == null || stack.Pop().Value != '[')
{
return(false);
}
}
else if (c == ')')
{
if (stack.Peek() == null || stack.Pop().Value != '(')
{
return(false);
}
}
else if (c == '}')
{
if (stack.Peek() == null || stack.Pop().Value != '{')
{
return(false);
}
}
}
if (stack.Peek() != null)
{
return(false);
}
else
{
return(true);
}
}
