正则表达式匹配(URL、电话、手机、邮箱)的实例代码
正则表达式,又称规则表达式。(英语:RegularExpression,在代码中常简写为regex、regexp或RE),计算机科学的一个概念。正则表通常被用来检索、替换那些符合某个模式(规则)的文本。下面通过实例代码给大家介绍正则表达式匹配(URL、电话、手机、邮箱)的实例代码,一起看看吧!
废话不多说了,直接给大家贴代码了,具体代码如下所示:
正则验证 vartext=document.getElementById('text'); varbtn=document.getElementById('btn'); //1、url示例: //https://www.baidu.com/s?wd=%E5%88%98%E5%BE%B7%E5%8D%8E&rsv_spt=1&rsv_iqid=0x9601edc200017402&issp=1&f=8&rsv_bp=1&rsv_idx=2&ie=utf-8&rqlang=cn&tn=baiduhome_pg&rsv_enter=1&oq=javascript%2520%25E9%259A%25BE%25E9%25A2%2598&inputT=1256&rsv_t=7da5GmMhTie86h8qaOiaV047P9TkJunMjrkmK%2BNLA%2FuJs3bMG%2Bj52w%2F6IxHge5MB%2B%2B%2Fw&rsv_pq=c270d50b00019cae&rsv_sug3=21&rsv_sug1=19&rsv_sug7=100&rsv_sug2=0&rsv_sug4=1818 //2、电话示例: //13800138000 //+8610-59926666 //+(1)533-222-334 //010-59926666 //037132376865 //3、电子邮件示例: //Handsome.W@abc.com //_hello_world@163.com //345@mail.some_domain_name.com.uk //varregexp=/^([0-9a-zA-Z_.-])+@([0-9a-zA-Z_-])+(\.([a-zA-Z_-])+)+$/;//邮箱 //varregexp=/(https?.*?\.(:?cn\b|com\b|net\b|org\b|gov\b)(?!\.))/;//URL //varregexp=/\+?\d{3,4}-?\d{7,8}/;//010-599266668610-59926666037132376865 //varregexp=/\+\(\d\)(\d{3}-){2}\d{3}/;//+(1)533-222-334 //varregexp=/(1[34578]\d{9})|(\+?\d{3,4}-?\d{7,8})|(\+\(\d\)(\d{3}-){2}\d{3})/;//电话号码13800138000010-599266668610-59926666037132376865+(1)533-222-334 varregexp=/(([0-9a-zA-Z_.-])+@([0-9a-zA-Z_-])+(\.([a-zA-Z_-])+)+)|((https?.*?\.(:?cn\b|com\b|net\b|org\b|gov\b)(?!\.)))|(1[34578]\d{9})|(\+?\d{3,4}-?\d{7,8})|(\+\(\d\)(\d{3}-){2}\d{3})/; btn.onclick=function(){ if(regexp.test(text.value)){ alert('验证通过'); text.value=""; }else{ alert('验证没通过'); } }