摘要：
import java.util.regex.Matcher;import java.util.regex.Pattern;String check = '^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$' Pattern regex = Pattern.compile(check); Matcher matcher = regex.matcher(email); if(!matcher.matches()){ Messagebox.show("请填写 阅读全文