diff --git a/iocp/Parser.py b/iocp/Parser.py
index f8d084a..f2e9743 100644
--- a/iocp/Parser.py
+++ b/iocp/Parser.py
@@ -130,7 +130,10 @@ def load_patterns(self, fpath):
 				continue
 
 			if ind_pattern:
-				ind_regex = re.compile(ind_pattern)
+				if ind_type == 'URL':
+					ind_regex = re.compile(ind_pattern, re.IGNORECASE|re.MULTILINE|re.DOTALL)
+				else:
+					ind_regex = re.compile(ind_pattern)
 				self.patterns[ind_type] = ind_regex
 
 			try:
diff --git a/iocp/data/patterns.ini b/iocp/data/patterns.ini
index 6266da1..5cedc0d 100644
--- a/iocp/data/patterns.ini
+++ b/iocp/data/patterns.ini
@@ -1,5 +1,5 @@
 [URL]
-pattern:	\b([a-z]{3,}\:\/\/[\S]{16,})\b
+pattern:    \b(?:(?:https?|ftp|file):\/\/|www\.|ftp\.)(?:\([-A-Z0-9+&@#/%=~_|$?!:,.]*\)|[-A-Z0-9+&@#/%=~_|$?!:,.])*(?:\([-A-Z0-9+&@#/%=~_|$?!:,.]*\)|[A-Z0-9+&@#/%=~_|$])\b
 defang:		True
 
 [Host]