How to use substringBefore method to intercept characters in StringUtils

This article introduces how to use substringBefore method to intercept characters in StringUtils. The content is very detailed. Interested friends can use it for reference. I hope it will be helpful to you.

StringUtils intercepts characters and other methods such as substringBefore use

   column:

String s = "123I abc"

/ / truncate forward from the position where the delimiter first appeared

System.out.println (StringUtils.substringBefore (s, ")); / / 123

/ / truncate forward from the position where the delimiter last appeared:

System.out.println (StringUtils.substringBeforeLast (s, ")); / / 123I

/ / intercept backwards from the position where the delimiter first appeared

System.out.println (StringUtils.substringAfter (s, ")); / / I abc

/ / intercept backwards from the position where the delimiter last appeared

System.out.println (StringUtils.substringAfterLast (s, ")); / / abc

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