How to fetch the first name only from email id?

How to fetch the first name only from email id?https://community.appian.com/discussions/f/user-interface/15051/how-to-fetch-the-first-name-only-from-email-idI need to fetch the first name from the email ids. Example- Input - rijuta.ghosh@abc.com Output- rijuta I have tried using split function, but how do I retrieve the first result obtained only? Thanks for the help.en-USTelligent Community 12RE: How to fetch the first name only from email id?https://community.appian.com/thread/67353?ContentTypeID=1Fri, 14 Jun 2019 11:41:19 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:f41e24b9-9ea8-44fa-9346-9ddf0ce63b5bRijutaGhosh<p>Thanks a lot!</p><div style="clear:both;"></div>RE: How to fetch the first name only from email id?https://community.appian.com/thread/67352?ContentTypeID=1Fri, 14 Jun 2019 11:31:36 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:ac47ec3c-b93e-4c9d-9002-be0c9e827b34Krishna Chaitanya Mallavarapu<p>load(<br /> local!email: "rijuta.ghosh@abc.com",<br /> index(<br /> split(<br /> local!email,<br /> "."<br /> ),<br /> 1,<br /> null<br /> )<br />)</p><div style="clear:both;"></div>