> I remember around ~10 years ago being told "you should never use `egrep` because it is slower than `grep -E`." I remember around 30 years ago reading that eg

> I remember around ~10 years ago being told "you should never use `egrep` because it is slower than `grep -E`." I remember around 30 years ago reading that egrep was faster (the UNIX versions were entirely separate implementations, egrep of course being newer) and have used it ever since.