diff --git a/src/legacy/core_plugins/console/public/src/utils.js b/src/legacy/core_plugins/console/public/src/utils.js
index 28821426b618f..1f2c3b9267b74 100644
--- a/src/legacy/core_plugins/console/public/src/utils.js
+++ b/src/legacy/core_plugins/console/public/src/utils.js
@@ -79,7 +79,7 @@ utils.expandLiteralStrings = function (data) {
 
 utils.extractDeprecationMessages = function (warnings) {
   // pattern for valid warning header
-  const re = /\d{3} [0-9a-zA-Z!#$%&'*+-.^_`|~]+ \"((?:\t| |!|[\x23-\x5b]|[\x5d-\x7e]|[\x80-\xff]|\\\\|\\")*)\"(?: \"[^"]*\")/;
+  const re = /\d{3} [0-9a-zA-Z!#$%&'*+-.^_`|~]+ \"((?:\t| |!|[\x23-\x5b]|[\x5d-\x7e]|[\x80-\xff]|\\\\|\\")*)\"(?: \"[^"]*\")?/;
   // split on any comma that is followed by an even number of quotes
   return _.map(utils.splitOnUnquotedCommaSpace(warnings), function (warning) {
     const match = re.exec(warning);
diff --git a/src/legacy/core_plugins/console/public/tests/src/utils.test.js b/src/legacy/core_plugins/console/public/tests/src/utils.test.js
index 9577566c3ffa3..a139aa47b911f 100644
--- a/src/legacy/core_plugins/console/public/tests/src/utils.test.js
+++ b/src/legacy/core_plugins/console/public/tests/src/utils.test.js
@@ -55,15 +55,30 @@ describe('Utils class', () => {
       expect(utils.extractDeprecationMessages(
         '299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a warning" "Mon, 27 Feb 2017 14:52:14 GMT"')).toEqual(
         ['#! Deprecation: this is a warning']);
+      expect(utils.extractDeprecationMessages(
+        '299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a warning"')).toEqual(
+        ['#! Deprecation: this is a warning']);
+
       expect(utils.extractDeprecationMessages( //eslint-disable-next-line max-len
         '299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a warning" "Mon, 27 Feb 2017 14:52:14 GMT", 299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a second warning" "Mon, 27 Feb 2017 14:52:14 GMT"')).toEqual(
         ['#! Deprecation: this is a warning', '#! Deprecation: this is a second warning']);
+      expect(utils.extractDeprecationMessages( //eslint-disable-next-line max-len
+        '299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a warning", 299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a second warning"')).toEqual(
+        ['#! Deprecation: this is a warning', '#! Deprecation: this is a second warning']);
+
       expect(utils.extractDeprecationMessages( //eslint-disable-next-line max-len
         '299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a warning, and it includes a comma" "Mon, 27 Feb 2017 14:52:14 GMT"')).toEqual(
         ['#! Deprecation: this is a warning, and it includes a comma']);
+      expect(utils.extractDeprecationMessages( //eslint-disable-next-line max-len
+        '299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a warning, and it includes a comma"')).toEqual(
+        ['#! Deprecation: this is a warning, and it includes a comma']);
+
       expect(utils.extractDeprecationMessages( //eslint-disable-next-line max-len
         '299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a warning, and it includes an escaped backslash \\\\ and a pair of \\\"escaped quotes\\\"" "Mon, 27 Feb 2017 14:52:14 GMT"')).toEqual(
         ['#! Deprecation: this is a warning, and it includes an escaped backslash \\ and a pair of "escaped quotes"']);
+      expect(utils.extractDeprecationMessages( //eslint-disable-next-line max-len
+        '299 Elasticsearch-6.0.0-alpha1-SNAPSHOT-abcdef1 "this is a warning, and it includes an escaped backslash \\\\ and a pair of \\\"escaped quotes\\\""')).toEqual(
+        ['#! Deprecation: this is a warning, and it includes an escaped backslash \\ and a pair of "escaped quotes"']);
     });
 
     test('unescape', function () {