正则表达式

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("请填写正确邮箱！","提示", Messagebox.OK, Messagebox.ERROR)
return
}

 

constraint="no empty, /.+@.+\\.[a-z]+/:请正确输入邮箱！"

 

def domainClass = grailsApplication.getDomainClass("cn.com.mvt.plugin.reimburs."+domainName).clazz
applyno = domainClass.NUMBER_CODE + applyer.code
String[] maxapplyno = domainClass.executeQuery("select max(substr(r.applyno,8)) from "+domainName+" as r where r.applyno like '"+applyno +"%'")