--- a/LINKS	Fri Nov 02 00:24:28 2018 +0000
+++ b/LINKS	Tue Nov 06 00:48:53 2018 +0000
@@ -35,6 +35,11 @@
 Basic as a DSL in Scala
 https://github.com/fogus/baysick/blob/master/src/main/scala/fogus/baysick/Baysick.scala
 
+
+============================
+Arihmetic with regexes
+
+http://www.drregex.com/2018/11/how-to-match-b-c-where-abc-beast-reborn.html
 ============================
 Static analysis lecture notes
 https://cs.au.dk/~amoeller/spa/spa.pdf