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使用其他语言阅读:[ English] ( ./Readme.md ) | 简体中文
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+ Note: this document still describes Commander v7 and has not yet been updated for Commander v8.
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- [ Commander.js] ( #commanderjs )
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- [ 安装] ( #%e5%ae%89%e8%a3%85 )
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- [ 声明 program 变量] ( #%e5%a3%b0%e6%98%8e-program-%e5%8f%98%e9%87%8f )
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本文中列出的功能不再推荐使用。它们在未来版本的Commander 中可能被移除。为保证后向兼容,这些功能目前还可以使用,但它们不应被用在新代码中。
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+ Note: this document still describes Commander v7 and has not yet been updated for Commander v8.
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## .option() 方法的正则表达式参数
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` .option() ` 方法可以接受一个正则表达式作为第三个参数,以规定可以接受的选项参数值。
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可以通过使用` -- ` 来表示选项和选项参数部分的结束,以此来显式地解决这一冲突:
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``` sh
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- $ node cook.js -i -- egg
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- technique: egg
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+ $ node cook.js -i -- scrambled
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+ technique: scrambled
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ingredient: cheese
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```
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