ticket/10423 function

functions_content.php

/**
* Cleans a search string by removing single wildcards from it and replacing multiple spaces with a single one.
*
* @param string $search_string The full search string which should be cleaned.
*
* @return string The cleaned search string without any wildcards and multiple spaces.
*/
function phpbb_clean_search_string($search_string)
{
	// This regular expressions matches every single wildcard.
	// That means one after a whitespace or the beginning of the string or one before a whitespace or the end of the string.
	$search_string = preg_replace('#(?<=^|\s)\*(?=\s|$)#', '', $search_string);
	$search_string = trim($search_string);
	$search_string = preg_replace('#\s+#u', ' ', $search_string);
	return $search_string;
}