In Formal letters^x, Idioms^x

Grammar Geek wrote: You can use idiomatic language in formal letters - I see idioms as being different from slang. You should avoid slang in formal letters, in my opinion. Of course, slang should be avoided in formal letters. As for me, I avoid it in everyday conversations as well....

I would use "regarding" or "in regard to" instead of "as regards." I'd like to hear from British English users as well as Americans from other regions to hear their opinion of "as regards." It sounds wrong to me, but it's probably just a regional thing. You can use idiomatic language in...

A s regards computer games, I am very exacting. I am very exacting a s regards computer games. What about those? Also I would like to know if the next statements are true. "As regards" is an idiom. I don't believe it but I found this - http://idioms.thefreedictionary.com/as+regards You can't...