Allow faster parsing of hosts without ' characters in them

config/filter.d/asterisk.conf

@@ -25,7 +25,7 @@ failregex = ^%(__prefix_line)s%(log_prefix)s Registration from '[^']*' failed fo
             ^%(__prefix_line)s%(log_prefix)s hacking attempt detected '<HOST>'$
             ^%(__prefix_line)s%(log_prefix)s SecurityEvent="(?:FailedACL|InvalidAccountID|ChallengeResponseFailed|InvalidPassword)"(?:(?:,(?!RemoteAddress=)\w+="[^"]*")*|.*?),RemoteAddress="IPV[46]/(UDP|TCP|WS)/<HOST>/\d+"(?:,(?!RemoteAddress=)\w+="[^"]*")*$
             ^%(__prefix_line)s%(log_prefix)s "Rejecting unknown SIP connection from <HOST>"$
-            ^%(__prefix_line)s%(log_prefix)s Request (?:'[^']*' )?from '.*' failed for '<HOST>(?::\d+)?'\s\(callid: [^\)]*\) - (?:No matching endpoint found|Not match Endpoint(?: Contact)? ACL|(?:Failed|Error) to authenticate)\s*$
+            ^%(__prefix_line)s%(log_prefix)s Request (?:'[^']*' )?from '(?:[^']*|.*?)' failed for '<HOST>(?::\d+)?'\s\(callid: [^\)]*\) - (?:No matching endpoint found|Not match Endpoint(?: Contact)? ACL|(?:Failed|Error) to authenticate)\s*$
 
 # FreePBX (todo: make optional in v.0.10):
 #            ^(%(__prefix_line)s|\[\]\s*WARNING%(__pid_re)s:?(?:\[C-[\da-f]*\])? )[^:]+: Friendly Scanner from <HOST>$