{"id":3352,"date":"2014-12-23T23:00:49","date_gmt":"2014-12-23T15:00:49","guid":{"rendered":"https:\/\/sdeno.com\/?p=3352"},"modified":"2019-01-02T18:31:39","modified_gmt":"2019-01-02T10:31:39","slug":"%e6%ad%a3%e5%88%99%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=3352","title":{"rendered":"\u6b63\u5219\u7b14\u8bb0"},"content":{"rendered":"<p>js \u6b63\u5219<\/p>\n<p>\u6700\u65b0\u7b14\u8bb0<a href=\"https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/zhengze.txt\">\u6b63\u5219\u7b14\u8bb0.txt<\/a><\/p>\n<p><a href=\"http:\/\/baike.baidu.com\/link?url=aSZLzWMakZiHarGIw-_w4B6o2iKgJyUHMfKk05Yvx9044TSnDJhhmfk2GbYYXrCEBICAHcfTvgqLSrBIEnkXzq\" target=\"_blank\" rel=\"noopener\">\u767e\u5ea6\u6b63\u5219\u8d44\u6599\u53c2\u8003<\/a><\/p>\n<p>\u6b63\u5219\u5c31\u662f\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\uff0c\u8fc7\u6ee4\u7b5b\u9009\u51fa\u6211\u4eec\u9700\u8981\u7684\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\uff0c\u8fd9\u6837\u589e\u52a0\u4e86\u7528\u6237\u4f53\u9a8c\u4e5f\u51cf\u8f7b\u4e86\u670d\u52a1\u5668<br \/>\n\u7684\u8d1f\u62c5\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u521b\u5efa\u6b63\u5219\u65b9\u6cd5\u4e00\uff1a\uff08\u4ee3\u7801\u6709\u70b9\u5197\u4f59\uff09<\/p>\n<pre>var box=new RegExp('box','ig');<\/pre>\n<p>\u5982\u679c\u4f7f\u7528\u6b64\u65b9\u6cd5\u9047\u5230\\\u8fd8\u9700\u8981\u591a\u6b21\u8f6c\u4e49\uff1anew RegExp(&#8220;\\\\s&#8221;,&#8217;ig&#8217;) \u76f8\u5f53\u4e8e \/\\s\/ig<\/p>\n<p>&nbsp;<\/p>\n<p>\u521b\u5efa\u6b63\u5219\u65b9\u6cd5\u4e8c\uff1a(\u63a8\u8350\u4f7f\u7528)<\/p>\n<pre>var box=\/box\/ig<\/pre>\n<p>\u9047\u5230\u5b57\u7b26\u4e32\u9700\u8981\u62fc\u63a5\u53ef\u4ee5\u8fd9\u4e48\u4f7f\u7528\u8981\u7528\u5230<span style=\"color: #ff0000;\">eval<\/span>\uff1a<\/p>\n<pre>var str='aa';\r\nconsole.log( eval('\/^'+str+'[0-9]$\/').test('aa4') );<\/pre>\n<p>\uff08\u53ef\u4ee5\u628a\u521b\u5efa\u6b63\u5219\u7406\u89e3\u4e3a\u521b\u5efa\u4e00\u4e2a\u89c4\u5219\uff0c\u4e00\u6bb5\u5b57\u7b26\u4e32\u7ecf\u8fc7\u8fd9\u4e2a\u89c4\u5219\u8fc7\u6ee4\u540e\u5c31\u662f\u6211\u4eec\u9700\u8981\u7684\u5185\u5bb9\uff09<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p><span style=\"color: #ff0000;\">test()<\/span> \/\/\u5339\u914d\u5b57\u7b26\u4e32 \u8fd4\u56de\u7684\u662f\u5e03\u5c14\u503c<\/p>\n<pre>var box=new RegExp('Box','i'); \/\/i \u4e0d\u533a\u5206\u5927\u5c0f\u5199\r\nvar str='box';\r\nalert(box.test(str)); \/\/true\r\n\u53ef\u4ee5\u4e00\u53e5\u8bdd\u5199\u5b8c\r\nalert(\/Box\/i.test('box'));\r\n\r\n\r\n\u7b80\u5355\u7684\u4e86\u89e3\u6b63\u5219\u7684\u4f5c\u7528\r\nvar box =new RegExp('Box','i');\r\nvar str='this is box';\r\nalert(box.test(str)); \/\/\u68c0\u67e5\u8fd9\u6bb5\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u542b\u6709 \u6a21\u5f0f\u4e2d\u7684\u6b63\u5219\u3002<\/pre>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">exec()<\/span> \/\/\u5339\u914d\u5b57\u7b26\u4e32 \u8fd4\u56de\u6570\u7ec4<\/p>\n<pre>var box =new RegExp('Box','i');\r\nvar str='this is box';\r\nalert(box.exec(str)); \/\/\u5b58\u5728\u5c31\u8fd4\u56de \u6570\u7ec4\u7684\u503c \u6ca1\u6709\u5c31\u8fd4\u56denull<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>String\u5bf9\u8c61\u63d0\u4f9b 4\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u65b9\u6cd5<\/p>\n<p>match() \/\/\u628a\u6240\u6709\u5339\u914d\u5230\u7684\u5b57\u7b26\u4e32\u7ec4\u5408\u6210\u6570\u7ec4\uff0c\u8bb0\u5f97\u8981\u5f00\u542fg\u5168\u5c40\u6a21\u5f0f<\/p>\n<pre>'this is box,that is box'.match(new RegExp('Box','ig'))\u00a0 \u00a0\/\/[\"box\", \"box\"]<\/pre>\n<p>&nbsp;<\/p>\n<p>replace() \/\/\u66ff\u6362\u5b57\u7b26\u4e32<\/p>\n<pre>'this is box,that is box'.replace(new RegExp('Box','ig'),'tom')  \/\/ 'this is tom,that is tom'<\/pre>\n<p>&nbsp;<\/p>\n<p>search() \/\/\u8fd4\u56de\u7b2c\u4e00\u4e2a\u5339\u914d\u5230\u7684\u4f4d\u7f6e \u7d22\u5f15\u4ece0\u5f00\u59cb \u65e0\u9700\u5f00\u542f \u6b63\u5219\u65e0\u9700\u5f00\u542fg\u5168\u5c40\u6a21\u5f0f\uff0c\u627e\u4e0d\u5230\u8fd4\u56de-1<\/p>\n<pre>'this is box,that is Box'.search(new RegExp('Box'))  \/\/ 20  \u7d22\u5f15\u4ece0\u5f00\u59cbBox\u5728\u7b2c20\u4e2a\u4f4d\u7f6e<\/pre>\n<p>&nbsp;<\/p>\n<p>split()<\/p>\n<p>&nbsp;<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/p>\n<p>&nbsp;<\/p>\n<p>RegExp\u5bf9\u8c61\u7684\u9759\u6001\u5c5e\u6027<br \/>\nvar box=\/google\/i;<br \/>\nvar str=&#8217;this is a google&#8217;;<br \/>\nbox.test(str); \/\/*\u5fc5\u987b\u8981\u6267\u884c\u4e00\u4e0b\uff0c\u9759\u6001\u5c5e\u6027\u624d\u6709\u6821<\/p>\n<p>alert(RegExp.input); \/\/ this is a google<\/p>\n<p><a href=\"https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp1.jpg\"><figure class=\"mdx-lazyload-container\" style=\"max-width:671px\"><div style=\"padding-top:80.923994038748%\"><\/div><div class=\"mdx-img-loading-sp mdui-valign\"><div><div class=\"mdui-spinner\"><\/div><\/div><\/div><img width=\"671\" height=\"543\" class=\"alignnone size-full wp-image-3354 lazyload\" title=\"RegExp1\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp1.jpg\" alt=\"RegExp1\" data-srcset=\"https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp1.jpg 671w, https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp1-300x242.jpg 300w, https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp1-624x504.jpg 624w\" sizes=\"auto, (max-width: 671px) 100vw, 671px\"><\/figure><\/a><br \/>\nRegExp\u5bf9\u8c61\u5b9e\u4f8b\u5c5e\u6027 \uff08\u529f\u80fd\u6ca1\u4ec0\u4e48\u7528\uff09<\/p>\n<a href=\"https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp2.jpg\"><figure class=\"mdx-lazyload-container\" style=\"max-width:670px\"><div style=\"padding-top:93.283582089552%\"><\/div><div class=\"mdx-img-loading-sp mdui-valign\"><div><div class=\"mdui-spinner\"><\/div><\/div><\/div><img width=\"670\" height=\"625\" class=\"alignnone size-full wp-image-3355 lazyload\" title=\"RegExp2\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp2.jpg\" alt=\"RegExp2\" data-srcset=\"https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp2.jpg 670w, https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp2-300x279.jpg 300w, https:\/\/sdeno.com\/wp-content\/uploads\/2014\/12\/RegExp2-624x582.jpg 624w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\"><\/figure><\/a>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>\u83b7\u53d6\u63a7\u5236<\/p>\n<p><span style=\"color: #ff0000;\">.\u00a0<\/span>\u70b9 \/\/ \u53ef\u4ee5\u5339\u914d\u4efb\u610f\u5b57\u7b26\u4e32\uff0c\u5fc5\u987b\u8981\u6709\u4e0d\u80fd\u4e3a0\u4e2a<\/p>\n<pre>var box=\/g.ogle\/;\r\n\r\nvar str='g2ogle';\r\n\r\nalert(box.test(str)); \/\/true<\/pre>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">*<\/span> \/\/ \u53ef\u4ee5\u5339\u914d 0\u4e2a 1\u4e2a \u6216\u8005 \u591a\u4e2a<\/p>\n<pre>var box=\/go*ogle\/; \/\/*\u7684\u524d\u9762\u662fo ,\u5c31\u5bf9\u524d\u9762\u7684o\u8d77\u4f5c\u7528\r\n\r\nvar str='gogle';\r\n\r\nvar str='google';\r\n\r\nvar str='gooooooogle';<\/pre>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">+<\/span> \/\/ \u81f3\u5c111\u4e2a \u6216\u8005 \u591a\u4e2a<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">?<\/span> \/\/ 0\u4e2a \u6216\u8005 1\u4e2a<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">{}\u5141\u8bb8\u91cd\u590d\u7684\u4e2a\u6570<\/span>\u00a0\/\/ \u91cd\u590d\u5339\u914d\u6307\u5b9a\u7684\u8303\u56f4<\/p>\n<pre>var box=\/go{2,4}gle\/; \/\/ o\u7684\u6570\u91cf\u53ea\u80fd\u662f 2\u4e2a\u52304\u4e2a\u4e4b\u95f4 \u53ef\u4ee5\u662f2\u4e2a\u6216\u80054\u4e2a\r\n\r\nvar box=\/go{3}gle\/; \/\/\u53ea\u80fd3\u4e2ao\r\n\r\nvar box=\/go{3,}gle\/; \/\/\u81f3\u5c113\u4e2ao<\/pre>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">[]\u5141\u8bb8\u51fa\u73b0\u7684\u8303\u56f4<\/span>\u00a0\/\/ 26\u4e2a\u5b57\u6bcd\u53ea\u80fd\u4efb\u610f\u5339\u914d \u4e00\u4e2a,\u9ed8\u8ba4\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\u5982\u679c\u4e0d\u60f3\u5c31\u5f00\u542fi<\/p>\n<pre>var box=\/[a-z]oogle\/; \/\/26\u4e2a\u5b57\u6bcd\u4efb\u610f\u5339\u914d\u4e00\u4e2a\r\n\r\nvar box=\/[0-9]oogle\/; \/\/\u5339\u914d0\u52309\u4e00\u4e2a\u6570\u5b57<\/pre>\n<p>&nbsp;<\/p>\n<p>\u6ce8\u610f\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<p>var box=\/[0-9]oogle\/;<br \/>\nvar str=&#8217;444444444oogle&#8217;; \/\/*\u8fd9\u91cc\u4e5f\u4e00\u6837\u5339\u914d\u6210\u529f\u56e0\u4e3a\u5339\u914d\u7684\u662f\u540e\u97626\u4f4d\uff0c\u4e0d\u7ba1\u662f\u540e6\u4f4d\u8fd8\u662f\u524d6\u4f4d\u6b63\u5219\u81ea\u52a8\u53bb\u5bfb\u627e\u80fd\u5339\u914d\u6210\u529f\u7684\u4e00\u6bb5\u5b57\u7b26\u4e32\u4e2d\u7684\u67d0\u4e00\u5c0f\u6bb5<br \/>\nalert(box.test(str)); \/\/true<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">[a-zA-Z0-9] \u590d\u5408<\/span> \/\/\u53ef\u4ee5\u5339\u914d\u5230a-z A-Z 0-9\u4efb\u610f\u4e00\u4e2a<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">|<\/span> \/\/\u6216<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">()\u00a0<\/span> \/\/ \u591a\u7ed3\u6784\uff0c\u4e00\u822c\u548c|\u914d\u5408\u4f7f\u7528<\/p>\n<pre>var box=\/(c|b|e)\/ig;\r\nvar str='this is a gogle';\r\nconsole.log(box.test(str))  \/\/\u53ef\u4ee5\u5339\u914d\u5230e\r\n\r\n\u6ce8\u610f\uff1a\/(0-9)\/ig  \u8fd9\u4e2a\u610f\u601d\u662f\u5339\u914d'0-9'\u7684\u5b57\u7b26\u4e32\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">^<\/span>\u00a0\u4e24\u79cd\u7528\u6cd5<\/p>\n<pre>^\u00a0 \/\/ \u975e \uff0c\u901a\u5e38\u548c[]\u914d\u5408\u4f7f\u7528\r\nvar box=\/[^0-9]oogle\/; \/\/\u975e 0\u52309\u7684 \u4efb\u610f\u4e00\u4e2a\u5b57\u7b26\r\nstr.replace(\/[^\\d\\.\\,]\/ig,'') \u00a0\/\/\u9664\u4e86\u6570\u5b57\u548c,\u548c. \u00a0 \u5176\u4ed6\u7684\u90fd\u66ff\u6362\u4e3a\u7a7a\u683c\r\n\r\n\r\n^ \/\/\u5f3a\u5236\u9996\u5339\u914d\r\n var box=\/^[0-9]oogle\/;\r\n var str='444444444oogle';\r\n alert(box.test(str)); \/\/false \u8fd9\u91cc\u5c31\u4ece\u5934\u5f00\u59cb\u5339\u914d\u4e86 \u4f4d\u6570\u4e00\u4e00\u5bf9\u5e94<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">$<\/span> \/\/\u5f3a\u5236\u5c3e\u5339\u914d<\/p>\n<pre>var box=\/google$\/;\r\n var str='fadf3w3fsdfgoogle'; \/\/\u5b57\u7b26\u4e32\u7684\u7ed3\u5c3e\u5fc5\u987b\u662fgoogle\u624d\u80fd\u5339\u914d<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">\\<\/span>\u00a0 \/\/\u8f6c\u4e49<\/p>\n<pre>\/\\.|\\\\\/ig   \/\/\u5339\u914d.\u6216\u8005\\ \u8fd9\u4e24\u4e2a\u5b57\u7b26\u4e32<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">?:<\/span><br \/>\n\u4f8b\u5982<br \/>\nindustr(?:y|ies) \u7b49\u540c\u4e8e industry|industries<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">?=<\/span><br \/>\n\/aa(?=95|2000)\/ig.test(e.value) \u53ea\u80fd\u5339\u914d\u5230 &#8216;aa95&#8217;,&#8217;aa2000&#8217;\u4e2d\u7684aa,\u4ee5\u5916\u7684\u90fd\u4e0d\u884c,\u5982\u679c&#8217;aa2001&#8217;\u5c31\u4e0d\u80fd\u5339\u914d\u5230\u91cc\u9762\u7684aa<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">?!<\/span><br \/>\n\u8ddf?=\u76f8\u53cd\uff0c\u53ea\u8981\u4e0d\u662f&#8217;aa95&#8242;,&#8217;aa2000&#8217;\u90fd\u53ef\u4ee5\u5339\u914d,\u4f8b\u5982&#8217;fdfs23aa&#8217;,&#8217;$%^&amp;aa&amp;&amp;&#8217;\u90fd\u53ef\u4ee5\u5339\u914d\u91cc\u9762\u7684aa<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">?&lt;=<\/span><br \/>\n\u8ddf?=\u7c7b\u4f3c\uff0c\u6700\u597d\u7406\u89e3\u662f\u7528\/(?=95|2000)aa\/ig \u6765\u8fdb\u884c\u5339\u914d\uff0c\u53d1\u73b0\u4e0d\u4f1a\u6210\u529f\u3002\u4f46\u662f\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u5c31\u6210\u529f<br \/>\n\/(?&lt;=95|2000)aa\/ig.test(e.value)\uff0c\u80fd\u5339\u914d&#8221;95aa&#8221;\u4e2d\u7684&#8221;aa&#8221;,\u4f46\u662f\u4e0d\u80fd\u5339\u914d&#8221;96aa&#8221;\u4e2d\u7684&#8221;aa&#8221;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">\u53ef\u4ee5\u7ec4\u5408\u4f7f\u7528\u4f8b\u5982<\/span><\/p>\n<pre>var box=\/g.?ogle\/; \/\/ \u610f\u601d\u662f\u5b57\u7b26\u4e32 \u53ef\u4ee5\u653e0\u4e2a\u62161\u4e2a\u4efb\u610f\u7684\u5b57\u7b26\u4e32<\/pre>\n<p>&nbsp;<\/p>\n<pre>var box = \/[a-z0-9]+\/;\r\nvar str='fa8sd9f8s09df8sd90f'; \/\/ true \u53ea\u8981\u662f\u6570\u5b57\u548c\u5b57\u6bcd\u7ec4\u5408\u6210\u7684\u90fd\u80fd\u5339\u914d\u6210\u529f<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\/^(?:\\s|(.+\\s))?problem_tip(?:\\s|(\\s.+))?$\/ig \u00a0 \u00a0 \/\/\u9664\u4e86&#8230;\u53ea\u80fd\uff0c\u524d\u540e\u53ea\u80fd\u5339\u914d\u7a7a\u683c\uff0c\u5e76\u4e14\u53ef\u4ee5\u662f0\u4e2a\u6216\u8005\u591a\u4e2a\u7a7a\u683c<\/p>\n<p>&nbsp;<\/p>\n<p>\\w \/\/ [a-zA-Z0-9_]<br \/>\n\\W \/\/ [^a-zA-Z0-9_]<br \/>\n\\d \/\/ [0-9]<br \/>\n\\D \/\/ [^0-9]<\/p>\n<p>&nbsp;<\/p>\n<p>\u5bc6\u7801\u6b63\u5219\uff1a<\/p>\n<p>\u80fd\u5339\u914d\u7684\u7ec4\u5408\u4e3a\uff1a\u6570\u5b57+\u5b57\u6bcd\uff0c\u6570\u5b57+\u7279\u6b8a\u5b57\u7b26\uff0c\u5b57\u6bcd+\u7279\u6b8a\u5b57\u7b26\uff0c\u6570\u5b57+\u5b57\u6bcd+\u7279\u6b8a\u5b57\u7b26\u7ec4\u5408\uff0c\u800c\u4e14\u4e0d\u80fd\u662f\u7eaf\u6570\u5b57\uff0c\u7eaf\u5b57\u6bcd\uff0c\u7eaf\u7279\u6b8a\u5b57\u7b26<\/p>\n<pre>^(?![\\d]+$)(?![a-zA-Z]+$)(?![^\\da-zA-Z]+$).{6,20}$<\/pre>\n<p>\u5982\u679c\u8981\u9650\u5b9a\u7279\u6b8a\u5b57\u7b26\uff0c\u4f8b\u5982\uff0c\u7279\u6b8a\u5b57\u7b26\u7684\u8303\u56f4\u4e3a !#$%^&amp;* \uff0c\u90a3\u4e48\u53ef\u4ee5\u8fd9\u4e48\u6539<\/p>\n<pre>^(?![\\d]+$)(?![a-zA-Z]+$)(?![!#$%^&amp;*]+$)[\\da-zA-Z!#$%^&amp;*]{6,20}$<\/pre>\n<p>&nbsp;<\/p>\n<p>\u6b63\u5219 \u5bc6\u7801 \u6b63\u5219\u5bc6\u7801 \u6570\u5b57\u5b57\u6bcd\u7ec4\u5408<\/p>\n<pre>if (pwd == null || pwd == \"\") {\r\n regTip.tupwd.show().html(\"\u5bc6\u7801\u4e0d\u80fd\u4e3a\u7a7a\");\r\n return false;\r\n}else if (pwd.length &lt; 6 || pwd.length &gt; 18) {\r\n regTip.tupwd.show().html(\"\u5bc6\u7801\u957f\u5ea6\u4e0d\u5bf9\");\r\n return false;\r\n}else if ( !(\/^(?=.*[0-9])(?=.*[a-zA-Z])(.{6,})$\/ig.test(pwd)) ) {\r\n regTip.tupwd.show().html(\"\u8bf7\u8f93\u51656-18\u4f4d\u6570\u5b57+\u5b57\u6bcd\u7ec4\u5408\u5bc6\u7801\");\r\n return false;\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<p>\u6b63\u5219 \u8f93\u5165\u91d1\u989d\uff0c\u4f8b\u5982\u7c7b\u4f3c\u8fd9\u6837\u683c\u5f0f\uff1a\u300012345.99<\/p>\n<pre><span class=\"html-tag\">&lt;input <span class=\"html-attribute-name\">type<\/span>=\"<span class=\"html-attribute-value\">text<\/span>\" <span class=\"html-attribute-name\">onkeyup<\/span>=\"<span class=\"html-attribute-value\">fn.call(this)<\/span>\"&gt;<\/span><\/pre>\n<pre>function fn(){\r\n\r\n if( !(\/^([1-9][0-9]*\\.?[0-9]{0,2})$\/ig.test(this.value)) ){\r\n this.value=(this.value).replace(\/[^0-9\/.]|^[^1-9]\/ig,''); \/\/\u5c06\u5f00\u5934\u4e3a0\u6216\u8005\u975e\u6570\u5b57\u7684\u5b57\u7b26\u4e32\u90fd\u66ff\u6362\u4e3a\u7a7a\r\n\r\n if( !(!(this.value.match(\/\\.\/ig)) &amp;&amp; typeof((this.value.match(\/\\.\/ig)))!=\"undefined\" &amp;&amp; (this.value.match(\/\\.\/ig))!=0) ){ \/\/\u8fd9\u91cc\u662f\u9632\u6b62\u5339\u914d\u4e0d\u5230\u6b63\u5219\u662f\u8fd4\u56denull\u800c\u62a5\u9519\uff0c\u505a\u4e86\u9632\u6b62\u62a5\u9519\u5904\u7406\uff0c\u5373\u4f7f\u4e0d\u8981\u8fd9\u5224\u65ad\u6548\u679c\u8fd8\u5728\r\n if( this.value.match(\/\\.\/ig).length&gt;1 ){ \/\/\u5982\u679c\u4e4b\u524d\u5df2\u7ecf\u8f93\u5165\u4e86\u5c0f\u6570\u70b9\uff0c\u540e\u9762\u5c31\u65e0\u6cd5\u7ee7\u7eed\u8f93\u5165\u5c0f\u6570\u70b9\u3002\uff08\u4f46\u5982\u679c\u8f6c\u725b\u89d2\u5c16\u628a\u5149\u6807\u79fb\u52a8\u524d\u9762\u5728\u7ee7\u7eed\u8f93\u5165\u8fd8\u662f\u53ef\u4ee5\u8f93\u7684\uff09\r\n this.value=(this.value).replace(\/\\.$\/ig,'')\r\n }else if( this.value.split('.')[1].length&gt;2 ){\r\n this.value= Math.floor(this.value*100)\/100\r\n }\r\n }\r\n }\r\n\r\n}<\/pre>\n<p><a href=\"https:\/\/sdeno.com\/wp-content\/uploads\/2018\/08\/test.html\" target=\"_blank\" rel=\"noopener\">https:\/\/sdeno.com\/wp-content\/uploads\/2018\/08\/test.html<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>js \u6b63\u5219 \u6700\u65b0\u7b14\u8bb0\u6b63\u5219\u7b14\u8bb0.txt \u767e\u5ea6\u6b63\u5219\u8d44\u6599\u53c2\u8003 \u6b63\u5219\u5c31\u662f\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\uff0c\u8fc7\u6ee4\u7b5b\u9009\u51fa\u6211\u4eec\u9700\u8981\u7684\u6307\u5b9a\u7684\u5b57 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-3352","post","type-post","status-publish","format-standard","hentry","category-11"],"_links":{"self":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/3352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3352"}],"version-history":[{"count":0,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/3352\/revisions"}],"wp:attachment":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}