How to replace on the decimal number only in alphannumeric array?

Hallo, Thanks for reading:

How to replace on the floating number only?

 A =
"  (:PAR :N X :V 0.0)"
    "  (:PAR :N Y :V 0.0)"
    "  (:PAR :N DX :V 2.0)"
    "  (:PAR :N DY :V 2.0)"

Answer 1

[Kazi Alam]

Found it

out=regexp(A,'\d?\.?\d+','match')

strrep(A(1),out{1},'2.2')