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  1. import java.util.regex.Matcher;
  2. import java.util.regex.Pattern;
  3.  
  4. class DummyTester {
  5.  
  6.     public static void main(String[] args) {
  7.  
  8.         checkRegex("userName eq \"bjensen\"");  // returning Matches True
  9.         checkRegex("(userName eq \"bjensen\" and familyName co \"O'Malley\")"); // returning matches False
  10.         checkRegex("(userName eq \"bjensen\" and familyName co \"O'Malley\" AND userName eq \"bjensen\" AND familyName co \"O'Malley\")"); // returning matches False
  11.  
  12.     }
  13.  
  14.     static String checkRegex(String tester) {
  15.  
  16.         String regex ="(?i)[a-z][a-z0-9]*\\s+(?:co|eq|gt)\\s*\"[^\"]*\"(?:\\s+(?:and|or)\\s+[a-z][a-z0-9]*\\s+(?:co|eq|gt)\\s*\"[^\"]*\")*";
  17.         System.out.println("The input regex  sis : "+regex);
  18.         System.out.println("The input String sis : "+tester);
  19.         Pattern p = Pattern.compile(regex);
  20.         Matcher m = p.matcher(tester);
  21.         boolean b = m.find();
  22.         System.out.println("finder is   : "+ b);
  23.         if (b) {
  24.             String s = m.group();
  25.             System.out.println(s);
  26.             return s;
  27.         }
  28.         return null;
  29.     }
  30.  
  31. }
Success #stdin #stdout 0.12s 36684KB
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Standard input is empty
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The input regex  sis : (?i)[a-z][a-z0-9]*\s+(?:co|eq|gt)\s*"[^"]*"(?:\s+(?:and|or)\s+[a-z][a-z0-9]*\s+(?:co|eq|gt)\s*"[^"]*")*
The input String sis : userName eq "bjensen"
finder is   : true
userName eq "bjensen"
The input regex  sis : (?i)[a-z][a-z0-9]*\s+(?:co|eq|gt)\s*"[^"]*"(?:\s+(?:and|or)\s+[a-z][a-z0-9]*\s+(?:co|eq|gt)\s*"[^"]*")*
The input String sis : (userName eq "bjensen" and familyName co "O'Malley")
finder is   : true
userName eq "bjensen" and familyName co "O'Malley"
The input regex  sis : (?i)[a-z][a-z0-9]*\s+(?:co|eq|gt)\s*"[^"]*"(?:\s+(?:and|or)\s+[a-z][a-z0-9]*\s+(?:co|eq|gt)\s*"[^"]*")*
The input String sis : (userName eq "bjensen" and familyName co "O'Malley" AND userName eq "bjensen" AND familyName co "O'Malley")
finder is   : true
userName eq "bjensen" and familyName co "O'Malley" AND userName eq "bjensen" AND familyName co "O'Malley"
https://ideone.com/LKvWx6
language:
Java (12.0.1)
created:
5 years ago
visibility:
public

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