=SUM(--TEXTSPLIT(B2,TEXTSPLIT(B2,VSTACK(".",SEQUENCE(10,,0)),,1),,1))
=SUM(-- REGEXP (B2,"\d+(\.\d+)?"))
=SUM(--REGEXEXTRACT(B2,"\d+(\.\d+)?",1))
=SUM(--TEXTSPLIT(B2,TEXTSPLIT(B2,VSTACK(".",SEQUENCE(10,,0)),,1),,1))
=SUM(-- REGEXP (B2,"\d+(\.\d+)?"))
=SUM(--REGEXEXTRACT(B2,"\d+(\.\d+)?",1))