Cloud CDN supports advanced traffic management using flexible pattern matching with Global External HTTP(S) Load Balancer

## Feature Cloud CDN supports advanced [traffic management using flexible pattern matching](https://cloud.google.com/cdn/docs/using-ttl-overrides#client-ttl-regex) with Global External HTTP(S) Load Balancer. This capability allows you to use wildcards anywhere in your path matcher and customize origin routing for different types of traffic, request and response behaviors, and caching policies. In addition, you can use results from your pattern matching to rewrite the path that's sent to the origin. This feature is supported in **Preview**.