From 7683e30b181c2b71c6fe05cbeba814e36af8f1e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jochen=20K=C3=BChner?= <jochen.kuehner@gmx.de>
Date: Sun, 19 Nov 2017 10:15:33 +0100
Subject: [PATCH 1/2] Bugfix Regex containing (\0)

---
 .../babel-plugin-transform-regexp-constructors/src/index.js    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/babel-plugin-transform-regexp-constructors/src/index.js b/packages/babel-plugin-transform-regexp-constructors/src/index.js
index 6aa64a4bb..ddd35d653 100644
--- a/packages/babel-plugin-transform-regexp-constructors/src/index.js
+++ b/packages/babel-plugin-transform-regexp-constructors/src/index.js
@@ -22,6 +22,9 @@ function createRegExpLiteral(args, prettify, t) {
       .replace(/\f/g, "\\f")
       .replace(/\r/g, "\\r");
   }
+
+  pattern = pattern.replace(/\0/g, "\\0");
+
   return t.regExpLiteral(pattern, flags);
 }
 

From f7103af312d816a2e5675a85cc90e0dd3f869de3 Mon Sep 17 00:00:00 2001
From: jkuehner <jochen.kuehner@kardex.com>
Date: Thu, 23 Nov 2017 14:55:48 +0100
Subject: [PATCH 2/2] test for \0 in regex

---
 .../__tests__/transform-regexp-constructors-test.js    | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/transform-regexp-constructors-test.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/transform-regexp-constructors-test.js
index a059a069d..13295fc2f 100644
--- a/packages/babel-plugin-transform-regexp-constructors/__tests__/transform-regexp-constructors-test.js
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/transform-regexp-constructors-test.js
@@ -135,4 +135,14 @@ describe("transform-regexp-constructors-plugin", () => {
     var x = /\/x\//;
   `
   );
+
+  thePlugin(
+    "should keep NUL",
+    String.raw`
+    var x = new RegExp('\0');
+  `,
+    String.raw`
+    var x = /\0/;
+  `
+  );
 });