Regex pattern inside SQL Replace function?

Question

SELECT REPLACE(\'100.00 GB\', \'%^(^-?\\d*\\.{0,1}\\d+$)%\', \'\');

I want to replace any markup between two

Answer 1

In a general sense, SQL Server does not support regular expressions and you cannot use them in the native T-SQL code.

You could write a CLR function to do that. See here, for example.