How to perform 'Async Replace Substring' in VHDL.
-- Task: Async Replace Substring
-- Language: VHDL
process async_replace_substring() begin
-- Implementation for Async Replace Substring
signal result = ...; -- Initialize variable
-- TODO: Implement core logic here
-- Step 1: Prepare data
-- Step 2: Process Async Replace Substring
report("Done");
end process;