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                ~~~ match(),replace(reg,str),search(),split() ~~~ [TOC] ## 1.match()將所有匹配的字符(內容)提取出來,返回數組 ~~~ //語法 stringObject.match(searchvalue) stringObject.match(regexp) ~~~ >例子 ~~~ var str = "hello"; console.log(str.match(/l/g));// ["l", "l"] //g表示全局搜索 ~~~ ## 2.replace() 替換匹配的對象 ~~~ //語法 stringObject.replace(regexp/substr,replacement) ~~~ ~~~ var a = "hello"; var reg = /l/g; console.log(a.replace(reg,"*")); //"he**o" ~~~ ## 3.search() 方法用于檢索字符串中指定的子字符串的位置 ~~~ //語法 stringObject.search(regexp)/ //注釋:如果沒有找到任何匹配的子串,則返回 -1。 ~~~ ~~~ var a = "hello world"; var reg = /w/; console.log(a.search(reg)); //6 ~~~ ## 4.split(reg) 將字符串分割成數組 ~~~ var a = "helo"; var reg = /l/; console.log(a.split(reg)); //["he", "o"] ~~~
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