diff --git a/highlight2.py b/highlight2.py
index 4cdb1a6..aa70d18 100644
--- a/highlight2.py
+++ b/highlight2.py
@@ -46,4 +46,4 @@ class Highlighter:
             self.tokens[token.y].append(token)
 
     def update(self, lines):
-        
\ No newline at end of file
+        pass
\ No newline at end of file
diff --git a/lex2_perl.py b/lex2_perl.py
index 1a2e2b3..c1052fc 100755
--- a/lex2_perl.py
+++ b/lex2_perl.py
@@ -212,7 +212,7 @@ class PerlGrammar(Grammar):
         # match regexes
         RegionRule(
             name=r'match',
-            start=r'(?:(?<==~)|(?<=!~)|(?<=\()) *(?P<delim>/)',
+            start=r'(?:(?<==~)|(?<=!~)|(?<=\()|(?<=split)) *(?P<delim>/)',
             grammar=StringGrammar(),
             end=r'/[a-z]*',
         ),