23 lines
695 B
Markdown
23 lines
695 B
Markdown
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---
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title: Use Capture Groups to Search and Replace
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localeTitle: 使用捕获组进行搜索和替换
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---
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## 使用捕获组进行搜索和替换
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使用带有第一个参数集的`.replace()`来查找要替换的原始字符串的一部分，第二个参数应该是替换。
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## 提示1：
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修改正则表达式，以便`fixRegex`检测要替换的字符串部分，并将变量`replaceText`修改为将替换`fixRegex`的字符串。
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## 剧透警报 - 提前解决！
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## 解
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```javascript
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let huhText = "This sandwich is good.";
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let fixRegex = /good/; // Change this line
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let replaceText = "okey-dokey"; // Change this line
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let result = huhText.replace(fixRegex, replaceText);
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```
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