Looking on the internet deeply has found these results:

How are you doing.. is the most popular phrase on the web.

how r u? 1701,000 results on the web	How are you doing.. 15,740,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Pam? r u finally ready? totally. R e looking to score some d Not now, she got D U... My man, I'm an average j r o	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

how r u?

1701,000 results on the web

How are you doing..

15,740,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.