Hello dear esteemed monks,

I just tried to implement mojo-like path info handling in my own toy framework:

get '/from/:foo/to/:bar' => sub {
    my $req = shift;
    return { -content => "foo=".$req->param("foo", '\d+') };
};
[download]

It kind of works, but wasn't yet committed to master and/or CPAN.

The thing is, my param() method has a mandatory regex filter (much like perl's own -T switch). There's also a built-in way to impose such filter upon the URI tail (parameter called path_info_regex).

This made me think of combining the two and specifying parameter regex right in the URI. I've come up with the following variants:

• /:foo(regex) - requires parsing the parentheses and not too readable;
• /<foo=regex> - looks awkward and not similar to other frameworks;
• /:foo + param_regex hash - need to duplicate parameter names;
• just sticking with Mojo conventions - need to duplicate parameter validation

Maybe there is a more compact and readable way?

Thank you!

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