Expected Behavior / New Feature

Ocelot should be capable of matching paths that contain placeholders embedded between slashes, such as:
/api/invoices_{url0}/{url1}-{url2}_abcd/{url3}?urlId={url4}.

Actual Behavior / Motivation for New Feature

Currently, Ocelot cannot match placeholders embedded between slashes. For example: /api/test/{url}-2 -> request: /api/test/a-2 -> the result will incorrectly return {url} = a-2.

Steps to Reproduce the Problem

1. Try any template with placeholders embedded between slashes