From 8b8967de26d87453e0e92eb5c87a6d208b39ccb5 Mon Sep 17 00:00:00 2001
From: Alex Ling <hkalexling@gmail.com>
Date: Thu, 12 Mar 2020 23:49:02 +0000
Subject: [PATCH] Simplify the `split_by_alphanumeric` function

---
 src/util.cr | 25 +++----------------------
 1 file changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/util.cr b/src/util.cr
index 86a3c2c..ede75a8 100644
--- a/src/util.cr
+++ b/src/util.cr
@@ -38,29 +38,10 @@ def is_numeric(str)
 end
 
 def split_by_alphanumeric(str)
-	is_number = false
 	arr = [] of String
-	arr.push(
-		str.split("").reduce("") do |memo, c|
-			if (is_number)
-				if is_numeric(c)
-					memo + c
-				else
-					arr.push(memo) if memo != ""
-					is_number = false
-					c
-				end
-		      else
-				if is_numeric(c) # number
-					arr.push(memo) if memo != ""
-					is_number = true
-					c
-				else
-					memo + c
-				end
-			end
-		end
-	)
+	str.scan(/([^\d\n\r]*)(\d*)([^\d\n\r]*)/) do |match|
+		arr += match.captures.select{|s| s != ""}
+	end
 	arr
 end