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This article introduces the relevant knowledge of "what is the method of segmenting string split". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Several times I tried to split the string without success, and I didn't find the reason.

The string is as follows: aaa | bbb | ccc | ddd.

It is separated by a vertical bar, and the previous segmentation is like this: aaa;bbb;ccc;ddd.

Such a string is directly like this.

String [] resArr=res.split (";")

Segmentation is successful, but like a string separated by a "|", it doesn't work in the same way.

I tried other character segmentation to see if I would encounter the same problem when splitting strings with other symbols.

Sure enough, when I use English dots. It is as unsuccessful as the vertical bar, but there are also other symbols, such as "$", "[" and so on. I've tried a lot and I've found these so far.

I fumbled and solved the problem by using the following method, that is, when syncopating, I escaped the symbol and added two prime.

Public class Demo01 {public static void main (String [] args) {String res= "U2032 | AAAAAAA | 4218710000000277 | 1"; / / it is useless for String [] resArr01=res.split ("|"); String [] resArr=res.split ("\ | |"); for (String string: resArr) {System.out.println (string);}

Later, I tried again, some symbols that do not need to escape, such as the semicolon ";", can still be segmented successfully by adding two apostrophes.

So to be on the safe side, add two skimmers.

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