The autocomplete text field stops working when typing some special characters

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.3.X, Master
• Fix Version/s: 7.3.10 DXP FP1, 7.3.10.1 DXP SP1, 7.3.6 CE GA7, 7.3.X, 7.4.13 DXP GA1, Master
• Component/s: Forms
• Labels:
  • liferay-dxp-73-sp1
  • liferay-fixpack-dxp-1-7310
• Branch Version/s:
  7.3.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Sprint: Forms_7.4_08
• Git Pull Request: https://github.com/carolmariaabb/liferay-portal/pull/305

Steps to reproduce:

1. Go to Content & Data > Forms -> Add a new Form;
2. Add a Text Field;
3. Enable Autocomplete > select Manually -> Add a few options;
4. Publish the Form;
5. Go to the published Form;
6. Type one of the following characters [ \   *  (   ) in the text field;

Expected Result:
Text Field with autocomplete should work with no errors.

Actual Result:
The Text Field with autocomplete stops working with the following error message: