How to Async Regex Match in Tcl - Code Snippet

# Task: Async Regex Match
# Language: Tcl

proc async_regex_match() {
    # Implementation for Async Regex Match
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Regex Match
    puts("Done");
}