Can I break up a gravity types postcode discipline by the house so simply the primary half of the postcode is entered routinely right into a textual content discipline [closed]

reaching out on this one. I am utilizing gravityforms deal with discipline and want a easy textual content discipline to show simply the primary half of the postcode.

Instance

Postcode Subject: E14 4RD
Textual content Subject: E14

No concept the place to begin I’ve Googled and requested on gravityforms discussion board however no luck.

Any pointers can be nice