The CommandPanel allows \/ inside of regexes

src/extensions/command-panel/commands.pegjs

@@ -59,7 +59,7 @@ selectAllMatchesInProject
   = 'X' _ 'x' _ '/' pattern:pattern '/'? { return [new SelectAllMatchesInProject(pattern)] }
 
 pattern
-  = pattern:[^/]* { return pattern.join('') }
+  = pattern:('\\/' / [^/])* { return pattern.join('') }
 
 integer
   = digits:[0-9]+ { return parseInt(digits.join('')); }

src/extensions/command-panel/spec/command-interpreter-spec.coffee

@@ -172,6 +172,14 @@ describe "CommandInterpreter", ->
         runs ->
           expect(interpreter.lastRelativeAddress.subcommands[0].regex.toString()).toEqual "/a\\Sray/i"
 
+      it "allows the regex to contain an escaped forward slash", ->
+        buffer.setText "hey/baby"
+
+        waitsForPromise ->
+          interpreter.eval('/y\\/b/', editSession)
+        runs ->
+          expect(editSession.getSelectedText()).toBe "y/b"
+
       describe "when no match is found", ->
         it "it returns an error messages", ->
           errorMessages = null