From 74fb241903e482f99b98cf5194ea266bc84633d0 Mon Sep 17 00:00:00 2001
From: PJ Hampton <pjhampton@users.noreply.github.com>
Date: Tue, 29 Aug 2017 20:33:26 +0100
Subject: [PATCH] Fix over triggering on dates. (#4463)

---
 lib/DDG/Goodie/Calculator.pm | 1 +
 t/Calculator.t               | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/lib/DDG/Goodie/Calculator.pm b/lib/DDG/Goodie/Calculator.pm
index 38b4fe32e..cc605f48b 100644
--- a/lib/DDG/Goodie/Calculator.pm
+++ b/lib/DDG/Goodie/Calculator.pm
@@ -195,6 +195,7 @@ handle query => sub {
     return if $query =~ m/^\)|\($/; # shouldn't open with a closing brace or finish with an opening brace
     return if $query =~ m/(a?cosh?|tau|a?sin|a?tan|log|ln|exp|tanh|cbrt|cubed?)e?$/i; # stops empty functions at end or with <func>e
     return if $query =~ m#(?:x(\^|/)|(\^|/)x)#; # stops triggering on what is most likely algebra
+    return if $query =~ m#^\d{1,2}/\d{1,2}/\d{2,4}$#;
     return if $query =~ m#^0\d+/\d+$#;
 
     # some shallow preprocessing of the query
diff --git a/t/Calculator.t b/t/Calculator.t
index 26b1f4015..7ccf4ba4a 100644
--- a/t/Calculator.t
+++ b/t/Calculator.t
@@ -544,6 +544,10 @@ ddg_goodie_test(
     '24score' => undef,
     '24 score' => undef,
     '06026/6126' => undef,
+    '7/7/2014' => undef,
+    '2/3/09' => undef,
+    '21/12/2012' => undef,
+    '12/21/2012' => undef,
 );
 
 done_testing;