Fixed REGEX filtering bug id #536

See here for more:
http://bugzilla.adiscon.com/show_bug.cgi?id=536

src/classes/logstream.class.php

@@ -465,6 +465,10 @@ abstract class LogStream {
 						switch( $myfilter[FILTER_TYPE] )
 						{
 							case FILTER_TYPE_STRING:
+								// Do not FILTER for REGEX Values here!
+								if ( $myfilter[FILTER_MODE] & FILTER_MODE_SEARCHREGEX )
+									continue; 
+
 								// Only filter if value is non zero
 								if ( strlen($propertyvalue) > 0 && strlen($myfilter[FILTER_VALUE]) > 0 )
 								{