Bug: spark routes show error when using custom placeholder (regex)

[totoprayogo1916]

PHP Version

7.4

CodeIgniter4 Version

4.2.1

CodeIgniter4 Installation Method

Manual (zip or tar.gz)

Which operating systems have you tested for this bug?

Windows

Which server did you use?

cli-server (PHP built-in webserver)

Database

MariaDB

What happened?

when run php spark routes
show 404 error like:

Steps to Reproduce

add route

// app/Config/Routes.php
$routes->get('detail/([a-z0-9]{40})', 'User::detail/$1');
// or add using custom placeholder

$routes->addPlaceholder('uid', '[a-z0-9]{40}');
$routes->get('detail/(:uid)', 'User::detail/$1');

then run

php spark routes

Expected Output

show route lists as expected

Anything else?

No response

[kenjis]

Thanks for reporting.
I sent a PR #6279