1 files changed, 19 insertions, 0 deletions
diff --git a/jstests/replsets/regex.js b/jstests/replsets/regex.js
new file mode 100644
index 00000000000..0a2db95acb4
--- /dev/null
+++ b/jstests/replsets/regex.js
@@ -0,0 +1,19 @@
+// don't allow regex as _id: SERVER-9502
+
+var replTest = new ReplSetTest( {name: "server9502", nodes: 2} );
+var nodes = replTest.startSet();
+replTest.initiate();
+var master = replTest.getMaster();
+var mdb = master.getDB("test");
+mdb.foo.insert({ _id: "ABCDEF" });
+var gle = master.getDB("test").runCommand({getLastError : 1, w : 2, wtimeout : 60000});
+assert(gle.err === null);
+
+mdb.foo.insert({ _id: /^A/ });
+var gle = master.getDB("test").runCommand({getLastError : 1, w : 2, wtimeout : 60000});
+assert(gle.code === 16814);
+
+// _id doesn't have to be first; still disallowed
+mdb.foo.insert({ xxx: "ABCDEF", _id: /ABCDEF/ });
+var gle = master.getDB("test").runCommand({getLastError : 1, w : 2, wtimeout : 60000});
+assert(gle.code === 16814);