treed · May 19, 2011 23:15 · May 19, 2011
diff --git a/gistfile1.pl b/gistfile1.pl
@@ -0,0 +1,8 @@
+    token ip_address { [<octet> '.'] ** 3 <octet> }
+    token octet {
+         | 25<[0..5]>
+         | 2<[0..4]><[0..9]>
+         | 1<[0..9]><[0..9]>
+         | <[1..9]><[0..9]>
+         | <[0..9]>
+    }