gshell/gshell-features/src/main/java/org/apache/servicemix/kernel/gshell/features/internal/FeaturesServiceImpl.java [546:595]:
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    static Pattern fuzzyVersion  = Pattern.compile("(\\d+)(\\.(\\d+)(\\.(\\d+))?)?([^a-zA-Z0-9](.*))?",
                                                   Pattern.DOTALL);
    static Pattern fuzzyModifier = Pattern.compile("(\\d+[.-])*(.*)",
                                                   Pattern.DOTALL);

    static public String cleanupVersion(String version) {
        Matcher m = fuzzyVersion.matcher(version);
        if (m.matches()) {
            StringBuffer result = new StringBuffer();
            String d1 = m.group(1);
            String d2 = m.group(3);
            String d3 = m.group(5);
            String qualifier = m.group(7);

            if (d1 != null) {
                result.append(d1);
                if (d2 != null) {
                    result.append(".");
                    result.append(d2);
                    if (d3 != null) {
                        result.append(".");
                        result.append(d3);
                        if (qualifier != null) {
                            result.append(".");
                            cleanupModifier(result, qualifier);
                        }
                    } else if (qualifier != null) {
                        result.append(".0.");
                        cleanupModifier(result, qualifier);
                    }
                } else if (qualifier != null) {
                    result.append(".0.0.");
                    cleanupModifier(result, qualifier);
                }
                return result.toString();
            }
        }
        return version;
    }

    static void cleanupModifier(StringBuffer result, String modifier) {
        Matcher m = fuzzyModifier.matcher(modifier);
        if (m.matches())
            modifier = m.group(2);

        for (int i = 0; i < modifier.length(); i++) {
            char c = modifier.charAt(i);
            if ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'z')
                    || (c >= 'A' && c <= 'Z') || c == '_' || c == '-')
                result.append(c);
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testing/support/src/main/java/org/apache/servicemix/kernel/testing/support/FeatureInstaller.java [194:242]:
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    static Pattern fuzzyVersion  = Pattern.compile("(\\d+)(\\.(\\d+)(\\.(\\d+))?)?([^a-zA-Z0-9](.*))?",
                                                   Pattern.DOTALL);
    static Pattern fuzzyModifier = Pattern.compile("(\\d+[.-])*(.*)",
                                                   Pattern.DOTALL);
    static public String cleanupVersion(String version) {
        Matcher m = fuzzyVersion.matcher(version);
        if (m.matches()) {
            StringBuffer result = new StringBuffer();
            String d1 = m.group(1);
            String d2 = m.group(3);
            String d3 = m.group(5);
            String qualifier = m.group(7);

            if (d1 != null) {
                result.append(d1);
                if (d2 != null) {
                    result.append(".");
                    result.append(d2);
                    if (d3 != null) {
                        result.append(".");
                        result.append(d3);
                        if (qualifier != null) {
                            result.append(".");
                            cleanupModifier(result, qualifier);
                        }
                    } else if (qualifier != null) {
                        result.append(".0.");
                        cleanupModifier(result, qualifier);
                    }
                } else if (qualifier != null) {
                    result.append(".0.0.");
                    cleanupModifier(result, qualifier);
                }
                return result.toString();
            }
        }
        return version;
    }

    static void cleanupModifier(StringBuffer result, String modifier) {
        Matcher m = fuzzyModifier.matcher(modifier);
        if (m.matches())
            modifier = m.group(2);

        for (int i = 0; i < modifier.length(); i++) {
            char c = modifier.charAt(i);
            if ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'z')
                    || (c >= 'A' && c <= 'Z') || c == '_' || c == '-')
                result.append(c);
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