Hello

Please tell me how to do ..

Email filed in CRM to change some word and put in other filed

Sample

Email Feld" test@gmail.com"

Change @ to //

Email2 Feild" test//gmail.com"

like this 

also need to change 

Use // in place of the @ sign in the e-mail address.

Use .. in place of the _ in the email address.

Use ./ in place of the - in the email address.