Help to have a decimal separator : comma (replacing point)

Hello, from Data View, can you tell me how I can replace the decimal point with a comma?
Now the number representation is : 0.2222
I would have: 0,2222

Thank You

Guys, I’ve found the solution, If someone needs this solution, take a number with a decimal separator ‘.’ and transform it into the symbol you want, in this case : “,”

regexreplace(string(volumes-pick), "\\.", ",") as "Volumes"

Original Number : 0.2322

After going through the code, here is the result : 0,2322