Update pihole man page for regex

Signed-off-by: Mcat12 <newtoncat12@yahoo.com>

manpages/pihole.8

@@ -68,7 +68,7 @@ Available commands and options:
 
 \fB-wild, wildcard\fR [options] [<domain1> <domain2 ...>]
 .br
-    Add or removes specified domain, and all subdomains to the blacklist
+    Add or removes specified regex pattern to the regex blacklist
 .br
 
     (Whitelist/Blacklist manipulation options):
@@ -167,9 +167,9 @@ Available commands and options:
     Show a help dialog
 .br
 
-\fB-l, logging\fR [on|off|off noflush]	
+\fB-l, logging\fR [on|off|off noflush]
 .br
-    Specify whether the Pi-hole log should be used 
+    Specify whether the Pi-hole log should be used
 .br
 
 	(Logging options):
@@ -193,7 +193,7 @@ Available commands and options:
 .br
     Show installed versions of Pi-hole, Web Interface &amp; FTL
 .br
- 
+
 .br
     (repo options):
 .br
@@ -232,7 +232,7 @@ Available commands and options:
     Disable Pi-hole subsystems, optionally for a set duration
 .br
 
-    (time options):	
+    (time options):
 .br
       #s                Disable Pi-hole functionality for # second(s)
 .br
@@ -275,9 +275,9 @@ Some usage examples
 
     \fBpihole -w iloveads.example.com\fR  Add "iloveads.example.com" to whitelist
 .br
-    \fBpihole -b -d noads.example.com\fR  Remove "noads.example.com" from blacklist 
+    \fBpihole -b -d noads.example.com\fR  Remove "noads.example.com" from blacklist
 .br
-    \fBpihole -wild example.com\fR        Add "example.com" as wildcard - would block ads.example.com, www.example.com etc.
+    \fBpihole -wild ^example.*$\fR        Add "^example.*$" as a regex pattern - would block all domains starting with "example"
 .br
 
     Changing the Web Interface password