topic Filtering strings with Geoevent in ArcGIS GeoEvent Server Questions https://community.esri.com/t5/arcgis-geoevent-server-questions/filtering-strings-with-geoevent/m-p/168267#M707 <HTML><HEAD></HEAD><BODY><P>Hi,<BR />I am trying to filter a definition for <STRONG>empty string values</STRONG> in a field called driverID. I have also tried filtering for a specific driverID that I know is in the data, as well as using double quotes instead of single quotes. I have also tried = and MATCHES with no luck. I have successfully filtered double and integer fields though. Does anyone have any suggestions for filtering strings?<BR />Thanks,<BR />Jasmine</P><P></P><P><IMG class="image-1 jive-image" src="https://community.esri.com/legacyfs/online/368423_pastedImage_2.png" style="width: 620px; height: 136px;" /></P></BODY></HTML> Thu, 24 Aug 2017 14:45:52 GMT JasmineHunter1 2017-08-24T14:45:52Z Filtering strings with Geoevent https://community.esri.com/t5/arcgis-geoevent-server-questions/filtering-strings-with-geoevent/m-p/168267#M707 <HTML><HEAD></HEAD><BODY><P>Hi,<BR />I am trying to filter a definition for <STRONG>empty string values</STRONG> in a field called driverID. I have also tried filtering for a specific driverID that I know is in the data, as well as using double quotes instead of single quotes. I have also tried = and MATCHES with no luck. I have successfully filtered double and integer fields though. Does anyone have any suggestions for filtering strings?<BR />Thanks,<BR />Jasmine</P><P></P><P><IMG class="image-1 jive-image" src="https://community.esri.com/legacyfs/online/368423_pastedImage_2.png" style="width: 620px; height: 136px;" /></P></BODY></HTML> Thu, 24 Aug 2017 14:45:52 GMT https://community.esri.com/t5/arcgis-geoevent-server-questions/filtering-strings-with-geoevent/m-p/168267#M707 JasmineHunter1 2017-08-24T14:45:52Z Re: Filtering strings with Geoevent https://community.esri.com/t5/arcgis-geoevent-server-questions/filtering-strings-with-geoevent/m-p/168268#M708 <HTML><HEAD></HEAD><BODY><P>To filter for an empty string value, use the MATCHES operator with a value of ^$</P></BODY></HTML> Wed, 10 Oct 2018 12:17:34 GMT https://community.esri.com/t5/arcgis-geoevent-server-questions/filtering-strings-with-geoevent/m-p/168268#M708 RyanJewett 2018-10-10T12:17:34Z