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Intellij IDEA利用正则替换，并保留匹配结果

 1 year ago
source link: https://www.pkslow.com/archives/idea-regex-replace-with-matched-value
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敢一行，则予知。脚踏实地，知行合一。

需求是这样的，我需要将：

https://github.com/LarryDpk/pkslow-samples/tree/master/other/spring-batch/remote-partition-local

[/other/spring-batch/remote-partition-local](https://github.com/LarryDpk/pkslow-samples/tree/master/other/spring-batch/remote-partition-local)

但数量非常多。需要找到母字符串和子串/other/spring-batch/remote-partition-local，并按一点规则替换掉整个母字符串。转换前如下图：

idea-regex-replace-with-matched-value.match.png

IDEA提供了强大的正则功能，可以把匹配的子串作为变量来使用，这样便可以满足需求了。我的匹配语句如下：

https://github.com/LarryDpk/pkslow-samples/tree/master(?<path>.*?)$

这里就会把path作为一个变量，匹配到对应的字符串赋值给它。

替换语句如下：

[${path}](https://github.com/LarryDpk/pkslow-samples/tree/master${path})

这里就可以使用path这个变量了，极其方便有用。如下图所示：

idea-regex-replace-with-matched-value.regex.png

它还给出来替换后的结果显示，挺人性化的。替换后结果如下：

idea-regex-replace-with-matched-value.result.png

References:
https://www.jetbrains.com/help/idea/tutorial-finding-and-replacing-text-using-regular-expressions.html

Code for all: GitHub

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