Issue On Values when separate it to value and text?

Transact-SQL
,
24

it worked but for single value not work

 Value                                   ValueUnit                      TextUnit                              

1.71Vz, 2.375Vg, 3.135Vz    1.71, 2.375, 3.135        Vz,5Vg,5Vz 
1.89Vz, 2.625V, 3.465Vz      1.89, 2.625, 3.465       Vz,25V,5Vz 
1.8V                                           1.8                                8V