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                test是RegExp的方法,參數是字符串,返回值是boolean類型。 ```js var str='sad13123dfa4v564d5f8fb5sf'; var re=/\d+/g; alert(re.test(str)); ``` ***** match是String的方法,參數是正則表達式,返回值是數組。 ```js var re=/\d+/g; alert(str.match(re)); ``` ``` var str = 'haj123sdk54hask33dkhalsd879'; var re = /\d+/g; // \d代表數字,\d+代表至少一個。g代表全局 console.log(str.match(re)); //123,54,33,879 ```
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