From 0559a2e8494d548bc60130cabd2a686688da4b20 Mon Sep 17 00:00:00 2001
From: Jon Malmaud <malmaud@gmail.com>
Date: Thu, 12 Jan 2017 15:48:52 -0500
Subject: [PATCH] Don't show built-in modules in whos()

---
 base/interactiveutil.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/base/interactiveutil.jl b/base/interactiveutil.jl
index ddb77a589adf9..68fceb78b513d 100644
--- a/base/interactiveutil.jl
+++ b/base/interactiveutil.jl
@@ -667,7 +667,7 @@ Print information about exported global variables in a module, optionally restri
 
 The memory consumption estimate is an approximate lower bound on the size of the internal structure of the object.
 """
-function whos(io::IO=STDOUT, m::Module=current_module(), pattern::Regex=r"")
+function whos(io::IO=STDOUT, m::Module=current_module(), pattern::Regex=r"^(?!.*(Base|Main|Core)).*$")
     maxline = displaysize(io)[2]
     line = zeros(UInt8, maxline)
     head = PipeBuffer(maxline + 1)