请教一个问题 #886
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请教一个问题 #886
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正则的两个参数，前者是正则表达式，后者是匹配范围。i 是忽略大小写，g 是全文匹配，m 是多行查找。 |
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创建正则：忽略大小写前提下，匹配以输入字符开头的字符串 |
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var pattern = new RegExp("^" + inputValue, "i"); //获取开头相同的字符串
这个正则没看懂 “，’i‘ ”是什么意思昵？