{"id":639,"date":"2023-02-26T12:13:43","date_gmt":"2023-02-26T04:13:43","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=639"},"modified":"2023-04-29T19:59:03","modified_gmt":"2023-04-29T11:59:03","slug":"regular-expressions-checking-numbers","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/26\/regular-expressions-checking-numbers\/","title":{"rendered":"\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a\u68c0\u9a8c\u6570\u5b57"},"content":{"rendered":"<p>\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a\u68c0\u9a8c\u6570\u5b57\u7684\u8868\u8fbe\u5f0f<\/p>\n<p><!-- more --><\/p>\n<ul>\n<li>1 \u6570\u5b57\uff1a<code>^[0-9]*$<\/code><\/li>\n<li>2 n\u4f4d\u7684\u6570\u5b57\uff1a<code>^\\d{n}$<\/code><\/li>\n<li>3 \u81f3\u5c11n\u4f4d\u7684\u6570\u5b57\uff1a<code>^\\d{n,}$<\/code><\/li>\n<li>4 m-n\u4f4d\u7684\u6570\u5b57\uff1a<code>^\\d{m,n}$<\/code><\/li>\n<li>5 \u96f6\u548c\u975e\u96f6\u5f00\u5934\u7684\u6570\u5b57\uff1a<code>^(0|[1-9][0-9]*)$<\/code><\/li>\n<li>6 \u975e\u96f6\u5f00\u5934\u7684\u6700\u591a\u5e26\u4e24\u4f4d\u5c0f\u6570\u7684\u6570\u5b57\uff1a<code>^([1-9][0-9]*)+(.[0-9]{1,2})?$<\/code><\/li>\n<li>7 \u5e261-2\u4f4d\u5c0f\u6570\u7684\u6b63\u6570\u6216\u8d1f\u6570\uff1a<code>^(\\-)?\\d+(\\.\\d{1,2})?$<\/code><\/li>\n<li>8 \u6b63\u6570\u3001\u8d1f\u6570\u3001\u548c\u5c0f\u6570\uff1a<code>^(\\-|\\+)?\\d+(\\.\\d+)?$<\/code><\/li>\n<li>9 \u6709\u4e24\u4f4d\u5c0f\u6570\u7684\u6b63\u5b9e\u6570\uff1a<code>^[0-9]+(.[0-9]{2})?$<\/code><\/li>\n<li>10 \u67091~3\u4f4d\u5c0f\u6570\u7684\u6b63\u5b9e\u6570\uff1a<code>^[0-9]+(.[0-9]{1,3})?$<\/code><\/li>\n<li>11 \u975e\u96f6\u7684\u6b63\u6574\u6570\uff1a<code>^[1-9]\\d*$<\/code> \u6216 <code>^([1-9][0-9]*){1,3}$<\/code> \u6216 <code>^\\+?[1-9][0-9]*$<\/code><\/li>\n<li>12 \u975e\u96f6\u7684\u8d1f\u6574\u6570\uff1a<code>^\\-[1-9][]0-9&quot;*$<\/code> \u6216 <code>^-[1-9]\\d*$<\/code><\/li>\n<li>13 \u975e\u8d1f\u6574\u6570\uff1a<code>^\\d+$<\/code> \u6216 <code>^[1-9]\\d*|0$<\/code><\/li>\n<li>14 \u975e\u6b63\u6574\u6570\uff1a<code>^-[1-9]\\d*|0$<\/code> \u6216 <code>^((-\\d+)|(0+))$<\/code><\/li>\n<li>15 \u975e\u8d1f\u6d6e\u70b9\u6570\uff1a<code>^\\d+(\\.\\d+)?$<\/code> \u6216 <code>^[1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*|0?\\.0+|0$<\/code><\/li>\n<li>16 \u975e\u6b63\u6d6e\u70b9\u6570\uff1a<code>^((-\\d+(\\.\\d+)?)|(0+(\\.0+)?))<\/code>$ \u6216 <code>^(-([1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*))|0?\\.0+|0$<\/code><\/li>\n<li>17 \u6b63\u6d6e\u70b9\u6570\uff1a<code>^[1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*$<\/code> \u6216 <code>^(([0-9]+\\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\\.[0-9]+)|([0-9]*[1-9][0-9]*))$<\/code><\/li>\n<li>18 \u8d1f\u6d6e\u70b9\u6570\uff1a<code>^-([1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*)$<\/code> \u6216 <code>^(-(([0-9]+\\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\\.[0-9]+)|([0-9]*[1-9][0-9]*)))$<\/code><\/li>\n<li>19 \u6d6e\u70b9\u6570\uff1a<code>^(-?\\d+)(\\.\\d+)?$<\/code> \u6216 <code>^-?([1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*|0?\\.0+|0)$<\/code><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a\u68c0\u9a8c\u6570\u5b57\u7684\u8868\u8fbe\u5f0f 1 \u6570\u5b57\uff1a^[0-9]*$ 2 n\u4f4d\u7684\u6570\u5b57\uff1a^\\d{n}$ 3 \u81f3\u5c11n\u4f4d\u7684\u6570\u5b57\uff1a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[54],"class_list":["post-639","post","type-post","status-publish","format-standard","hentry","category-tools-skills","tag-regular"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=639"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/639\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}