{"id":509,"date":"2023-09-16T15:39:10","date_gmt":"2023-09-16T07:39:10","guid":{"rendered":""},"modified":"2023-09-17T00:42:44","modified_gmt":"2023-09-16T16:42:44","slug":"%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e5%8c%b9%e9%85%8d%e5%92%8c_","status":"publish","type":"post","link":"https:\/\/mushiming.com\/509.html","title":{"rendered":"\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d%\u548c_"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<th>\u7279\u522b\u5b57\u7b26<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<tr>\n<td>$<\/td>\n<td>\u5339\u914d\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u7ed3\u5c3e\u4f4d\u7f6e\u3002\u5982\u679c\u8bbe\u7f6e\u4e86 RegExp \u5bf9\u8c61\u7684 Multiline \u5c5e\u6027\uff0c\u5219 $ \u4e5f\u5339\u914d '\\n' \u6216 '\\r'\u3002\u8981\u5339\u914d $ \u5b57\u7b26\u672c\u8eab\uff0c\u8bf7\u4f7f\u7528 \\$\u3002<\/td>\n<\/tr>\n<tr>\n<td>( )<\/td>\n<td>\u6807\u8bb0\u4e00\u4e2a\u5b50\u8868\u8fbe\u5f0f\u7684\u5f00\u59cb\u548c\u7ed3\u675f\u4f4d\u7f6e\u3002\u5b50\u8868\u8fbe\u5f0f\u53ef\u4ee5\u83b7\u53d6\u4f9b\u4ee5\u540e\u4f7f\u7528\u3002\u8981\u5339\u914d\u8fd9\u4e9b\u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528 \\( \u548c \\)\u3002<\/td>\n<\/tr>\n<tr>\n<td>*<\/td>\n<td>\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u96f6\u6b21\u6216\u591a\u6b21\u3002\u8981\u5339\u914d * \u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528 \\*\u3002<\/td>\n<\/tr>\n<tr>\n<td>+<\/td>\n<td>\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u4e00\u6b21\u6216\u591a\u6b21\u3002\u8981\u5339\u914d + \u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528 \\+\u3002<\/td>\n<\/tr>\n<tr>\n<td>.<\/td>\n<td>\u5339\u914d\u9664\u6362\u884c\u7b26 \\n \u4e4b\u5916\u7684\u4efb\u4f55\u5355\u5b57\u7b26\u3002\u8981\u5339\u914d . \uff0c\u8bf7\u4f7f\u7528 \\. \u3002<\/td>\n<\/tr>\n<tr>\n<td>[<\/td>\n<td>\u6807\u8bb0\u4e00\u4e2a\u4e2d\u62ec\u53f7\u8868\u8fbe\u5f0f\u7684\u5f00\u59cb\u3002\u8981\u5339\u914d [\uff0c\u8bf7\u4f7f\u7528 \\[\u3002<\/td>\n<\/tr>\n<tr>\n<td>?<\/td>\n<td>\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u96f6\u6b21\u6216\u4e00\u6b21\uff0c\u6216\u6307\u660e\u4e00\u4e2a\u975e\u8d2a\u5a6a\u9650\u5b9a\u7b26\u3002\u8981\u5339\u914d ? \u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528 \\?\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\<\/td>\n<td>\u5c06\u4e0b\u4e00\u4e2a\u5b57\u7b26\u6807\u8bb0\u4e3a\u6216\u7279\u6b8a\u5b57\u7b26\u3001\u6216\u539f\u4e49\u5b57\u7b26\u3001\u6216\u5411\u540e\u5f15\u7528\u3001\u6216\u516b\u8fdb\u5236\u8f6c\u4e49\u7b26\u3002\u4f8b\u5982\uff0c 'n' \u5339\u914d\u5b57\u7b26 'n'\u3002'\\n' \u5339\u914d\u6362\u884c\u7b26\u3002\u5e8f\u5217 '\\\\' \u5339\u914d \"\\\"\uff0c\u800c '\\(' \u5219\u5339\u914d \"(\"\u3002<\/td>\n<\/tr>\n<tr>\n<td>^<\/td>\n<td>\u5339\u914d\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u5f00\u59cb\u4f4d\u7f6e\uff0c\u9664\u975e\u5728\u65b9\u62ec\u53f7\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\uff0c\u6b64\u65f6\u5b83\u8868\u793a\u4e0d\u63a5\u53d7\u8be5\u5b57\u7b26\u96c6\u5408\u3002\u8981\u5339\u914d ^ \u5b57\u7b26\u672c\u8eab\uff0c\u8bf7\u4f7f\u7528 \\^\u3002<\/td>\n<\/tr>\n<tr>\n<td>{<br \/>\n    <!-- --><\/td>\n<td>\u6807\u8bb0\u9650\u5b9a\u7b26\u8868\u8fbe\u5f0f\u7684\u5f00\u59cb\u3002\u8981\u5339\u914d {\uff0c\u8bf7\u4f7f\u7528 \\{\u3002<\/td>\n<\/tr>\n<tr>\n<td>|<\/td>\n<td>\u6307\u660e\u4e24\u9879\u4e4b\u95f4\u7684\u4e00\u4e2a\u9009\u62e9\u3002\u8981\u5339\u914d |\uff0c\u8bf7\u4f7f\u7528 \\|\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td>[xyz]<\/td>\n<td>\n<p>\u5b57\u7b26\u96c6\u5408\u3002\u5339\u914d\u6240\u5305\u542b\u7684\u4efb\u610f\u4e00\u4e2a\u5b57\u7b26\u3002\u4f8b\u5982\uff0c '[abc]' \u53ef\u4ee5\u5339\u914d \"plain\" \u4e2d\u7684 'a'\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>\u5339\u914d\u5b57\u7b26\u4e32\u662f\u5426\u7531 %\u548c_ \u7ec4\u6210\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f&nbsp;&nbsp;^[%_]+$<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u53c2\u8003https:\/\/www.runoob.com\/regexp\/regexp-syntax.html<\/p>\n<p>\u6b63\u5219\u8868\u8fbe\u5f0f\u6d4b\u8bd5\u5de5\u5177https:\/\/c.runoob.com\/front-end\/854<\/p>\n","protected":false},"excerpt":{"rendered":"\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d%\u548c_\u7279\u522b\u5b57\u7b26\t\t\t\u63cf\u8ff0\t\t$\t\t\t\u5339\u914d\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u7ed3\u5c3e\u4f4d\u7f6e\u3002\u5982\u679c\u8bbe\u7f6e\u4e86RegExp\u5bf9\u8c61\u7684Multiline\u5c5e\u6027\uff0c\u5219$\u4e5f\u5339\u914d'\\n'\u6216...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[82],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/509"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=509"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/509\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}