Question on Pack definitions

[eberlems]

https://lackeyccg.com/packdefinitions.html
state for <crit></crit> you can use IS, CONTAINS, DOESNTCONTAIN,ISGREATERTHAN, among others.
what's the among others?
I'm looking for something like a endswith.

[CrazyChucky]

Not only have I not been able to find any others, I should also point out that, in my testing, "ISGREATERTHAN" appears to be nonfunctional.