Created
April 27, 2016 02:43
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20个正则表达式
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1.check password strength | |
//密码的强度必须是包含大小写字母和数字的组合,不能使用特殊字符,长度在8-10之间 | |
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^(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{8,10}$ | |
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2.check chinese | |
//字符串仅能是中文 | |
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^[\\u4e00-\\u9fa5]{0,}$ | |
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3.composition of the string by figures, 26 letters or underscore | |
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^\\w+$ | |
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4.check email address | |
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[\\w!#$%&'*+/=?^_`{|}~-]+(?:\\.[\\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[\\w](?:[\\w-]*[\\w])? | |
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5.check ID number | |
15: | |
--------------------- | |
^[1-9]\\d{7}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}$ | |
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18: | |
--------------------- | |
^[1-9]\\d{5}[1-9]\\d{3}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}([0-9]|X)$ | |
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6.check the date | |
//“yyyy-mm-dd“ 格式的日期校验,已考虑平闰年 | |
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^(?:(?!0000)[0-9]{4}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31)|(?:[0-9]{2}(?:0[48]|[2468][048]|[13579][26])|(?:0[48]|[2468][048]|[13579][26])00)-02-29)$ | |
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7.check the $/¥ | |
//金额校验,精确到2位小数 | |
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^[0-9]+(.[0-9]{2})?$ | |
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8.check the cellphone number(china) | |
//13、15、18开头(可根据目前国内收集号扩展前两位开头号码) | |
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^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\\d{8}$ | |
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9.check ie version | |
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^.*MSIE [5-8](?:\\.[0-9]+)?(?!.*Trident\\/[5-9]\\.0).*$ | |
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10.check the ip-v4 | |
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\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b | |
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11.check the ip-v6 | |
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(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])) | |
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12.check the URL prefix | |
//应用开发中很多时候需要区分请求是HTTPS还是HTTP,通过下面的表达式可以取出一个url的前缀然后再逻辑判断 | |
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if (!s.match(/^[a-zA-Z]+:\\/\\//)) | |
{ | |
s = 'http://' + s; | |
} | |
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13.format URL link | |
//下面的这个表达式可以筛选出一段文本中的URL | |
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^(f|ht){1}(tp|tps):\\/\\/([\\w-]+\\.)+[\\w-]+(\\/[\\w- ./?%&=]*)? | |
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14.check the file path and extension | |
//验证windows下文件路径和扩展名(下面的例子中为.txt文件) | |
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^([a-zA-Z]\\:|\\\\)\\\\([^\\\\]+\\\\)*[^\\/:*?"<>|]+\\.txt(l)?$ | |
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15.get Color Hex Codes | |
//有时需要抽取网页中的颜色代码,可以使用下面的表达式 | |
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^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$ | |
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16.get web img | |
//假若你想提取网页中所有图片信息,可以利用下面的表达式 | |
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\\< *[img][^\\>]*[src] *= *[\\"\\']{0,1}([^\\"\\'\\ >]*) | |
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17.get page link | |
//提取html中的超链接 | |
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(<a\\s*(?!.*\\brel=)[^>]*)(href="https?:\\/\\/)((?!(?:(?:www\\.)?'.implode('|(?:www\\.)?', $follow_list).'))[^"]+)"((?!.*\\brel=)[^>]*)(?:[^>]*)> | |
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18.find CSS properties | |
//可以搜索到相匹配的CSS属性 | |
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^\\s*[a-zA-Z\\-]+\\s*[:]{1}\\s[a-zA-Z0-9\\s.#]+[;]{1} | |
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19.get page comments | |
//如果你需要移除HMTL中的注释,可以使用如下的表达式。 | |
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<!--(.*?)--> | |
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20.matching HTML tags | |
//通过下面的表达式可以匹配出HTML中的标签属性 | |
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<\\/?\\w+((\\s+\\w+(\\s*=\\s*(?:".*?"|'.*?'|[\\^'">\\s]+))?)+\\s*|\\s*)\\/?> | |
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//Reference | |
//http://www.jianshu.com/p/e7bb97218946 |
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