### **Environment**:

Your OpenProject Version: 10.5.1

Operating System / Browser / Language:
Linux (Fedora 32) / Firefox 76, Chromium / PL

### **Logs**

No errors in openproject logs Begin of the insertion



End of the insertion Begin of the deletion

End of the deletion ### **Steps to reproduce:**

1. Create package that contains string Begin of the insertionfoobar.
2. Search for fo\_bar

### **Actual Behavior**

The underscore is treated as a wildcard and matches the string "foobar"

### **Expected Behavior**

The string should not match



Original report, which is similar but not actually a bug:

> ### **Steps to reproduce:**
>
> 1. Create package that contains stringEnd of the insertion with underscore in description ie.: c\_tree\_h . Save package.
Begin of the insertion>End of the insertion 2. Search c\_tree\_h in search form on top of page Begin of the insertion
>
>End of the insertion Begin of the deletion

End of the deletion ### **Actual Behavior** Begin of the insertion
>
>End of the insertion Begin of the deletion

End of the deletion There is no matches for searching string 'c\_tree\_\_h\_'. But there are matches for 'tree', so searching is working. Begin of the insertion
>
>End of the insertion Begin of the deletion

End of the deletion ### **Expected Behavior** Begin of the insertion
>
>End of the insertion Begin of the deletion

End of the deletion Matches with search string containing underscores