repl: make invalid RegExps throw in the REPL

Fixes #2746.

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/repl.js b/lib/repl.js
index 98c14e73445..fcb9c1f32fc 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -271,6 +271,9 @@ function REPLServer(prompt, stream, eval_, useGlobal, ignoreUndefined) {
       // Convert error to string
       e = e && (e.stack || e.toString());
       return e && e.match(/^SyntaxError/) &&
+             // RegExp syntax error
+             !e.match(/^SyntaxError: Invalid regular expression/) &&
+             // JSON.parse() error
              !(e.match(/^SyntaxError: Unexpected token .*\n/) &&
              e.match(/\n    at Object.parse \(native\)\n/));
     }