#!/usr/bin/env js var email = " hogehoge@example.com \n"; print(email); var localpart = "", domainpart =""; if (email.match(/\s+(\S+)@(\S+)\.(\S+)\s+/)){ localpart = RegExp.$1; domainpart = RegExp.$2; } document.write(`local=${localpart}, dom=${domainpart}`); print(`local=${localpart}, dom=${domainpart}`);