Better dump the $text your application handles, before and after applying the regexes.

I suspect the data you are processing doesn't look like it is supposed to do. (Probably Html escaped)

Anyway, in general providing us with a complete test script showing input and output would help you and us.

Often errors are spotted by the authors when preparing a post like this.

Fwiw, for those interested the monastery transforms the provided emojis 🍷✨⛓ 🔪🐷 ⏳🎣 into 🍷✨⛓ 🔪🐷 ⏳🎣  within code blocks