Oh yeah they definitely have uses, but there’s a real tendency for people to go a bit crazy with them. Complex regexen aren’t exactly readable, there’s all kinds of fun performance gotchas, there’s sometimes other tools/algorithms that are more suitable for the task, and sometimes people try to use them to eg. parse HTML because they don’t know that it is literally impossible to use regular expressions to parse languages that aren’t regular
On pages that reader mode supports, you should see the icon on the right side of the address bar. Here’s an example from one of my tabs:![](https://suppo.fi/pictrs/image/aa7effe3-aa5f-4acf-a621-e7f0cb1bb75c.png)