#!/usr/bin/env js var email = " hogehoge@example.com \n"; print(email); email = email.trim(); print(email); var atpos = email.indexOf('@'); var localpart = "", domainpart =""; if (atpos >= 0 && atpos == email.lastIndexOf('@')) { localpart = email.substring(0, atpos); domainpart = email.substr(atpos+1); } print(`local=${localpart}, dom=${domainpart}`);