How to extract end of URL in Javascript?

I have URLs in the form: > serverName/app/image/thumbnail/2012/4/23/1335228884300/bb65efd50ade4b3591dcf7f4c693042b Where `serverName` is the domain name of the server. I would like to write a JS function that accepts one of these URLs and returns the very last (right-most) forward-slash-delimited string. So if the URL above was passed into the function, it would return "`bb65efd50ade4b3591dcf7f4c693042b`";. function getImageDirectoryByFullURL(url) { // ... Not sure how to define regexp to delimit on forward slashes, // or how to start searching from end of string. }

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