26 lines
610 B
Markdown
26 lines
610 B
Markdown
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---
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title: Remove Whitespace from Start and End
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localeTitle: 从开始和结束中删除空格
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---
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## 从开始和结束中删除空格
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要解决此挑战，您只需创建一个正则字符串字符串，该字符串匹配字符串开头或结尾处的任何空格。
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## 提示1：
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想一想如何在字符串的开头或结尾选择子字符串。
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## 提示2：
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想想你如何选择空格
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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 hello = " Hello, World! ";
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let wsRegex = /^\s+|\s+$/g; // Change this line
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let result = hello.replace(wsRegex, ''); // Change this line
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```
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