IWSVA supports both the * (string) and ? (character) wildcards in Match: field for URL Blocking, URL Filtering, and Trusted URLs. Wildcards are also supported
               in both the Approved and Block lists.
            
            Using Wildcards
            To represent one or more unknown characters, follow these guidelines:
            
               - 
                  
                  ?lock—matches: block, clock, glock, plock, and flock (but not lock) 
- 
                  
                  Trend?Micro—matches: Trend Micro, Trend-Micro, Trend_Micro (but not TrendMicro) 
- 
                  
                  block*—matches: blocking, blocked, blocker, blocks, blockhead, block-point, (but not block) 
Using ? or * not as a wildcard
            To represent an asterisk (or star) or a question mark, use the following:
            
            For example,
            
               - 
                  
                  to block http://www.*power.com, write the rule like this:http://www.%2apower.com
 
- 
                  
                  To block http://www.you_rang?.com, write the rule like this:http://www.you_rang%3f.com