i know this is very simple question but i start learning reg-ex, so please provide solution..

**i want to remove comma if exist between @ and .(dot) from the email id provided by user.**
--------------------------------------------------------------------------------------------

**input**

> 
> abc@gm,ail.com, xyz@nauk,ri.com, srs@y,ahoo.com, efgh@hot,mail.com
> 
> 
> 

;

**desired output**

> 
> abc@gmail.com, xyz@naukri.com, srs@yahoo.com, efgh@hotmail.com
> 
> 
> 

---

i want to add one more part in this question , i don't know if it is possible if yes then please tell me..

input 

> 
> "joan,lee@gma,il.com, mohd,saeed@nau,kri.com, xX,yz@yaho,o.com"
> 
> 
> 

Desired output 

> 
> joanlee@gmail.com, mohdsaeed@naukri.com, xXyz@yahoo.com"
> 
> 
> 

thnx in advance..