哪些自己曾经害怕的正则表达式以及一个万能的校验
发布时间:2020-12-14 02:08:02 所属栏目:百科 来源:网络整理
导读:var strSrc = "xxa1b01c001yya2b02c002zz"; var re = /a(d)b(d{2})c(d{3})/gi; //获得匹配的字符串数组 function getMatchString(strSrc,re) { var array; array = strSrc.match(re); for ( var int = 0,j = array.length; int j; int++) { var array_elem
var strSrc = "xxa1b01c001yya2b02c002zz";
var re = /a(d)b(d{2})c(d{3})/gi; //获得匹配的字符串数组 function getMatchString(strSrc,re) { var array; array = strSrc.match(re); for ( var int = 0,j = array.length; int < j; int++) { var array_element = array[int]; if (int < j - 1) document.write("["" + array[int] + "","); else document.write(""" + array[int] + ""]"); } } var str ="我.. ..我 ...要... 要学编程"; //去除啰嗦 function removeToomuchWord(str) { var str2= str.replace(/./g,"").replace(/s/g,"").replace(/(.)1/g,"$1"); document.writeln(str2); } var str = "win a window"; //替换 window win a book 替换win 为 lost 结果为 window lost a book function replace(str) { document.write(str.replace(/bwinb/g,"lose")); } var str = "http://www.baidu.com:8080/0912.html"; //获得url的各部分信息 function getUrlPartInfo(str) { var reg =/^(w+)://([^:/]*)(?::(d*))?([^#]*)$/; var arrays = str.match(reg); var strInfo ="" ; for(var index in arrays) strInfo += arrays[index]+","; alert(strInfo); }
//万能的校验器 //以后只需要添加相应的正则表达式就行了,代码不用修改
patterns.ip = /^(d{1,2}|1dd|2[0-4]d|25[0-5])(.d{1,2}|1dd|2[0-4]d|25[0-5]){3}$/; patterns.email = /^(w+)@(w+)(.w+)+$/; patterns.date = /^(d{4})-(0?[0-9]|1[0-2])-(0?[0-9]|[0-2]d|3[0-1])$/; // 23:23:59 patterns.time = /^([0-1]d|2[0-3]):([0-5]d):([0-5]d)$/; function verify(str,pat) { var pattern = patterns[pat];if (str.match(pattern)) return true; else return false; } getMatchString(strSrc,re); removeToomuchWord(str); replace(str); getUrlPartInfo(str) alert(verify("26.1.123.2","ip") + "," + verify("hilishuai.com","email") + "," + verify("2003-13-31","date") + "," + verify("23:60:22","time"));(编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |