Matches desktop browsers. This UserAgentMatcher is unlike the rest in that it is does not use any database functions to find a matching device. If a device is not matched with this UserAgentMatcher, another one is assigned to match it using the database.
Attempts to match given user agent string to a device from the database by comparing less and less of the strings until a match is found (RIS, Reduction in String)
Tags:
return:
WURFL ID
access:
public
Parameters:
String
$ua
User agent
int
$tolerance
Tolerance, how many characters must match from left to right