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Get substring using regex

debugcn 投稿 Dev
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I have some strings Like

1.IND_FROM_ONE_TO_FIVE  
2.IND_FROM_FIVE_TO_TEN  
3.BS_FROM_ONE_TO_FIVE 
4.BS_FROM_FIVE_TO_TEN   
5.OP_FROM_ONE_TO_FIVE  
6.OP_FROM_FIVE_TO_TEN

And I want to cut from all of them everything before the first "" include ""!!!.

Something like :

1.IND_FROM_ONE_TO_FIVE => FROM_ONE_TO_FIVE

2.IND_FROM_FIVE_TO_TEN => FROM_FIVE_TO_TEN

3.BS_FROM_ONE_TO_FIVE => FROM_ONE_TO_FIVE

4.BS_FROM_FIVE_TO_TEN => FROM_FIVE_TO_TEN etc.

I have tried /[^_]*/ but it returns IND_FROM_ONE_TO_FIVE => _FROM_ONE_TO_FIVE (did not cut first "_")

How could I make it on java?

The fourth bird

You can prepend an anchor and match the underscore after is as well. In the replacement use an empty string.

^[^_]*_

Regex demo | Java demo

Using replaceFirst you can omit the anchor:

System.out.println("IND_FROM_ONE_TO_FIVE".replaceFirst("[^_]*_", ""));

Output

FROM_ONE_TO_FIVE

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