https://community.appian.com/discussions/f/plug-ins/13525/issue-with-extract-zip-pluginI am using Extract Zip Plugin in one my process models, I have some files in the system named as 1)test1 , 2)test2 .. When I passed the files to that smart service it was throwing an error like Unmatched closing &#39;)&#39; near index 0 at 1)test ^. Whenen-USTelligent Community 12https://community.appian.com/thread/61437?ContentTypeID=1Thu, 11 Oct 2018 07:10:05 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:f172b020-d42a-46fb-95dd-61ffc1daa46evishnuvok. When you save in PV, can you try using char(41) in your expression: &quot;[0-9]++&quot;&amp;char(41)&amp; and check,<br /> <br /> Thanks.<div style="clear:both;"></div>https://community.appian.com/thread/61436?ContentTypeID=1Thu, 11 Oct 2018 07:05:13 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:040c3b3e-34b7-48ce-a329-8e87d77c5608santoshd378Hi Vishnu,<br /> I am not using regexmatch function, I am saving the file names in PV&#39;s and passing them as an input to the smart service.<div style="clear:both;"></div>https://community.appian.com/thread/61435?ContentTypeID=1Thu, 11 Oct 2018 06:51:10 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:5cc5764b-bb6d-40a6-9a5b-230953e6efdavishnuvHi,<br /> Are you using regexmatch function ? If so you need to take care of close parenthesis before passing to function, for which you need to use escape character &#39;\\&#39;.<br /> <br /> Thanks.<div style="clear:both;"></div>