Google dictionary has this information about the origin of ex 6 there are many cases of prefixes changing their forms In writing, though, the use of former doesn't seem so rare
60 selfie fails by people who should have checked the background first | Selfie fail, Funny
In informal english, especially us english, it is acceptable to say
I saw your ex with this hot dude yesterday
Or, she is still in touch with all of her exes. Is short for exempli gratia, and is in common use to introduce an example within a sentence Submit a sample of academic writing, e.g., a dissertation chapter However, some authors use ex.
In legal language i have come across the term ex post facto Isn't ex redundant in this phrase Post facto also means after the fact, so it should be sufficient This is commonly used in
What is the proper way to use the ex prefix to more than one word
My ex baseball coach taught me Ex by itself (no hyphen) doesn't seem right either
