[DiapDealer]

Originally Posted by PeterT

I just went looking and came across http://www.editpadlite.com/ which claims

EditPad Lite is a great regex-capable editor. I use it all the time.

There are some subtle differences between its JGSoft regex engine and Sigils PCRE engine, but they rarely come up in most situations. JGSoft doesn't support /K, and its commands for changing the case of text is a little different.