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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                [TOC] # 1.RegExp對象 ## 1.1 直接量語法 ``` /pattern/attributes var reg = /a/g ``` ## 1.2創建 RegExp 對象的語法(了解) ``` new RegExp(pattern, attributes); var reg = new RegExp(/a/,"g"); ``` ## 1.3一個簡單的正則 ``` var a = "1234"; var reg =/1/g; console.log(reg.test(a)); ``` > test()-->返回boolean值,字符串中是否包含正則的內容 > **g:全局搜索(區分大小寫),ig:忽略大小寫**
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