/**
* Return regex to match xml attributes' name and value pair
*
* @param string $name named group for name part
* @param string $value named group for value part
* @return string
* @access public
* @static
*/
public static function xmlNameValue($name = '', $value = '')
{
return sprintf('%s(?:\\s*+=\\s*+%s)?', Util::groupRegEx(static::xmlName(), $name), Util::groupRegEx(RegEx::quotedString(), $value));
}
/**
* Return regex to match comma seperated strings
*
* comma in quotes are ignored. the unrolling pattern implemented
*
* @param string $char the seperate char, default ','
* @param int $option regex option
* @return string
* @access public
* @static
*/
public static function commaField($char = ',', $option = RegExOption::OPTION_DEFAULT)
{
$quoted = RegEx::quotedString($option);
return sprintf('(?<=%s|^)[^%s"\']*(?:%s[^%s"\']*)*(?=%s|\\Z)', $char, $char, $quoted, $char, $char);
}
