How to Async Regex Replace in PHP - Code Snippet

How to perform 'Async Regex Replace' in PHP.

example.php
// Task: Async Regex Replace
// Language: PHP

function async_regex_replace() {
    // Implementation for Async Regex Replace
    $ result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Regex Replace
    echo("Done");
}
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