($this->_lookahead != ':') and ($this->_lookahead != '.'))
{
return $token;
}
// If it's an external reference ('Sheet1'!A1 or 'Sheet1:Sheet2'!A1)
elseif (preg_match("/^'[\w -]+(\:[\w -]+)?'\![A-Ia-i]?[A-Za-z][0-9]+$/u",$token) and
($this->_lookahead != ':') and ($this->_lookahead != '.'))
{
return $token;
}
// If it's an external reference ('Sheet1'!A1 or 'Sheet1:Sheet2'!A1)
elseif (preg_match("/^'[\w -]+(\:[\w -]+)?'\![A-Ia-i]?[A-Za-z][0-9]+$/u",$token) and