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  1. class Ideone {
  2. 	public static void main (String[] args) {
  3.         String[] input = {
  4.         	"HDR^A1^A20220106^ATYPE^AXXX^AJAPAN^AUNIFORM^AHELP^AEXAMPLE^A",
  5.             "HDR^A1^A20220106^ATYPE^AXXX"};
  6.         int n = 6;
  7.         for (int i = 0; i < input.length; i++) {
  8.             String str = input[i].replaceAll("(.*?(\\^A.*?){" + n + "})\\^A.*|.*", "$1");
  9.             System.out.println("Input " + i + ": " + str);
  10.         }
  11. 	}
  12. }
Success #stdin #stdout 0.13s 52968KB
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stdin
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Standard input is empty
stdout
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Input 0: HDR^A1^A20220106^ATYPE^AXXX^AJAPAN^AUNIFORM
Input 1:
https://ideone.com/K9wl7I
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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