Crop Including Word

How do I crop filenames with different lengths starting from and including a particular word? I'm assuming I'll have to use RegEx since Remove only allows cropping before and after a word, but the syntax is kind of confusing.
Support for the Renaming Utility
https://www.bulkrenameutility.co.uk/forum/
https://www.bulkrenameutility.co.uk/forum/viewtopic.php?f=12&t=5434