diff --git a/lib/pry/commands/cat/file_formatter.rb b/lib/pry/commands/cat/file_formatter.rb
index 03226dfb..ec84968a 100644
--- a/lib/pry/commands/cat/file_formatter.rb
+++ b/lib/pry/commands/cat/file_formatter.rb
@@ -22,7 +22,7 @@ class Pry
       private
 
       def file_and_line
-        file_name, line_num = file_with_embedded_line.split(':')
+        file_name, line_num = file_with_embedded_line.split(/:(?!\/|\\)/)
 
         [file_name, line_num ? line_num.to_i : nil]
       end