By this you will know the Spirit of God: Every spirit that confesses that Jesus Christ has come in the flesh is from God,
Berean Standard Bible (BSB)
By this you know the Spirit of God: every spirit who confesses that Jesus Christ has come in the flesh is of God,
World English Bible (WEB)
Hereby{G1722}{G3739}{G5129} know ye{G1097}{(G5719)}{(G5720)} the Spirit{G4151} of God{G2316}: Every{G3956} spirit{G4151} that confesseth{G3670}{(G5719)} that Jesus{G2424} Christ{G5547} is come{G2064}{(G5756)} in{G1722} the flesh{G4561} is{G2076}{(G5748)} of{G1537} God{G2316}:
Strong's King James
In this you must know the Spirit (רוּחַ Ruach) of the Elohim: every spirit (ruach) that acknowledges ישוע (Yeshua) HaMashiach has come in the flesh is from the Elohim.
The F.O.G
In this way, you can understand that it is the Spirit of יהוה (Yahweh): every spirit that confesses that Jesus is the Anointed Messiah and has come in the flesh belongs to Yahweh.
The F.O.G Message
in this know ye the Spirit of God; every spirit that doth confess Jesus Christ in the flesh having come, of God it is,
Young's Literal Translation