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JavaScript 权威指南-正则表达式

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10.2
"JavaScript".search(/script/i);
search()返回匹配的第一个子串的起始位置,找不到匹配的子串将返回-1。不支持全局检索。

replace()

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// No matter how it is capitalized, replace it with the correct capitalization
text.replace(/javascript/gi, "JavaScript");

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