protected function parseBBCodeSuffix()
	{
		$this->bbcodeSuffix = '';
		if ($this->text[$this->pos] === ':')
		{
			// Capture the colon and the (0 or more) digits following it
			$spn = 1 + strspn($this->text, '0123456789', 1 + $this->pos);
			$this->bbcodeSuffix = substr($this->text, $this->pos, $spn);

			// Move past the suffix
			$this->pos += $spn;
		}
	}