regular expression for email id and IP address

[Sunita Rani Pradhan]

Hi All

 

 

            1. Can anybody guide me to write a regular expression to
verify correct Email address ?

            

2. I have written a regular expression to verify correct IP address : 

 

print $ipadd if ($ipadd =~
/^([0-9])|([1-9][0-9])|([1-2][0-5][0-5])\.([0-9])|([1-9][0-9])|([1-2][0-
5][0-5])\.([0-9])|([1-9][0-9])|([1-2][0-5][0-5])\.([0-9])|([1-9][0-9])|(
[1-2][0-5][0-5])/);

 

It is working as per my input . Please let me know if it correct or not
. 

 

Thanks

Sunita