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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                ### 量詞:規定字符出現的次數 {m,n}-->至少m個,最多n個 {m,n} -->至少m個,最多n個 {m}-->必須是m個 {m,}-->至少m個 .表示出換行符以外的所有字符 ~~~ <script> var reg = /\d{3,6}/g; var reg01 =/\d{3}/g; var reg02 = /\d{1,}/g var str = "2121jfsdjfs123jfd12"; console.log(str.replace(reg,"**")) console.log(str.replace(reg01,"**")) console.log(str.replace(reg02,"**")) </script> ~~~
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