File: vendor/symfony/symfony/src/Symfony/Component/Routing/Tests/Fixtures/legacy_validpattern.xml

<?xml version="1.0" encoding="UTF-8" ?>

<routes xmlns="http://symfony.com/schema/routing"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd">

    <route id="blog_show_legacy" pattern="/blog/{slug}" host="{locale}.example.com">
        <default key="_controller">MyBundle:Blog:show</default>
        <default key="slug" xsi:nil="true" />
        <requirement key="_method">GET|POST|put|OpTiOnS</requirement>
        <requirement key="_scheme">hTTps</requirement>
        <requirement key="locale">\w+</requirement>
        <option key="compiler_class">RouteCompiler</option>
        <condition>context.getMethod() == "GET"</condition>
    </route>
</routes>