Refactor email validation regex to RFC 5322-compliant implementation#2126

Atul-LNG merged 1 commit intoServiceNowDevProgram:mainServiceNowDevProgram/code-snippets:mainfrom

afislonge:refactor/email-address-validation-regexafislonge/code-snippets:refactor/email-address-validation-regexCopy head branch name to clipboard