diff -r dbba38a5c2ae -r 0806e45d873c progs/app4.scala
--- a/progs/app4.scala	Fri Sep 25 07:35:37 2015 +0100
+++ b/progs/app4.scala	Fri Sep 25 08:51:12 2015 +0100
@@ -1,5 +1,4 @@
 val http_pattern = """"https?://[^"]*"""".r
-val my_urls = """urbanc""".r
 val email_pattern = 
   """([a-z0-9_\.-]+)@([\da-z\.-]+)\.([a-z\.]{2,6})""".r