protected void configureMatchingStrategy() {
        if (getMatchingStrategy() == null) {
            setMatchingStrategy(new FullRegexRegisteredServiceMatchingStrategy());
        }
    }
Configure matching strategy.
If the strategy is undefined, it will default to {@link FullRegexRegisteredServiceMatchingStrategy}.
core/cas-server-core-services-api/src/main/java/org/apereo/cas/services/BaseRegisteredService.java