Examples of java.util.regex.Pattern.pattern()

java.util.regex.Pattern.pattern()
Returns the regular expression from which this pattern was compiled.
@return The source of this pattern

            condition.right = analyzeNode(binaryOperation.getRight());
        } else if (node instanceof RegExMatch) {
            condition.left = analyzeNode(node);
            condition.operation = BooleanOperator.MATCHES;
            Pattern pattern = ((RegExMatch)node).getPattern();
            condition.right = new FixedExpression(String.class, pattern.pattern());
        } else if (node instanceof Contains) {
            condition.left = analyzeNode(((Contains)node).getFirstStatement());
            condition.operation = BooleanOperator.CONTAINS;
            condition.right = analyzeNode(((Contains)node).getSecondStatement());
        } else if (node instanceof Soundslike) {

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            condition.left = analyzeNode(node);
            condition.operation = BooleanOperator.MATCHES;
            RegExMatch regExNode = (RegExMatch)node;
            Pattern pattern = regExNode.getPattern();
            if (pattern != null) {
                condition.right = new FixedExpression(String.class, pattern.pattern());
            } else {
                condition.right = analyzeNode(((ExecutableAccessor)regExNode.getPatternStatement()).getNode());
            }
        } else if (node instanceof Contains) {
            condition.left = analyzeNode(((Contains)node).getFirstStatement());

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        // ignore bugs in Sun's regex impl
        try {
          replacement = p.matcher(nonBmpString).replaceAll("_");
        } catch (StringIndexOutOfBoundsException jdkBug) {
          System.out.println("WARNING: your jdk is buggy!");
          System.out.println("Pattern.compile(\"" + p.pattern() + 
              "\").matcher(\"AB\\uD840\\uDC00C\").replaceAll(\"_\"); should not throw IndexOutOfBounds!");
        }
        // Make sure the result of applying the pattern to a string with extended
        // unicode characters is a valid utf16 string. See LUCENE-4078 for discussion.
        if (replacement != null && UnicodeUtil.validUTF16String(replacement)) {

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                return scanner;
            }


            @Override
            public String toString() {
                return "regexTokenize(" + expression + ", " + pattern.pattern() + ")";
            }
        };
    }


    /**

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                return pattern.matcher(text).replaceAll(replacement);
            }


            @Override
            public String toString() {
                return "regexReplaceAll(" + expression + ", " + pattern.pattern() + ")";
            }
        };
    }


    /**

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                return pattern.matcher(text).replaceAll(replacement);
            }


            @Override
            public String toString() {
                return "regexReplaceAll(" + expression + ", " + pattern.pattern() + ")";
            }
        };
    }


    /**

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    Path fileResource = new Path(CONFIG);
    conf.addResource(fileResource);


    Pattern defaultPattern = Pattern.compile("x+");
    // Return default if missing
    assertEquals(defaultPattern.pattern(),
                 conf.getPattern("xxxxx", defaultPattern).pattern());
    // Return null if empty and default is null
    assertNull(conf.getPattern("test.pattern1", null));
    // Return default for empty
    assertEquals(defaultPattern.pattern(),

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    assertEquals(defaultPattern.pattern(),
                 conf.getPattern("xxxxx", defaultPattern).pattern());
    // Return null if empty and default is null
    assertNull(conf.getPattern("test.pattern1", null));
    // Return default for empty
    assertEquals(defaultPattern.pattern(),
                 conf.getPattern("test.pattern1", defaultPattern).pattern());
    // Return default for malformed
    assertEquals(defaultPattern.pattern(),
                 conf.getPattern("test.pattern2", defaultPattern).pattern());
    // Works for correct patterns

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    assertNull(conf.getPattern("test.pattern1", null));
    // Return default for empty
    assertEquals(defaultPattern.pattern(),
                 conf.getPattern("test.pattern1", defaultPattern).pattern());
    // Return default for malformed
    assertEquals(defaultPattern.pattern(),
                 conf.getPattern("test.pattern2", defaultPattern).pattern());
    // Works for correct patterns
    assertEquals("a+b",
                 conf.getPattern("test.pattern3", defaultPattern).pattern());
  }

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            condition.left = analyzeNode(node);
            condition.operation = BooleanOperator.MATCHES;
            RegExMatch regExNode = (RegExMatch)node;
            Pattern pattern = regExNode.getPattern();
            if (pattern != null) {
                condition.right = new FixedExpression(String.class, pattern.pattern());
            } else {
                condition.right = analyzeNode(((ExecutableAccessor)regExNode.getPatternStatement()).getNode());
            }
        } else if (node instanceof Contains) {
            condition.left = analyzeNode(((Contains)node).getFirstStatement());

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