Examples of java.util.regex.Matcher.replaceAll()

java.util.regex.Matcher.replaceAll()
Replaces every subsequence of the input sequence that matches the pattern with the given replacement string.
This method first resets this matcher. It then scans the input sequence looking for matches of the pattern. Characters that are not part of any match are appended directly to the result string; each match is replaced in the result by the replacement string. The replacement string may contain references to captured subsequences as in the {@link #appendReplacement appendReplacement} method.
Note that backslashes (\) and dollar signs ($) in the replacement string may cause the results to be different than if it were being treated as a literal replacement string. Dollar signs may be treated as references to captured subsequences as described above, and backslashes are used to escape literal characters in the replacement string.
Given the regular expression a*b, the input "aabfooaabfooabfoob", and the replacement string "-", an invocation of this method on a matcher for that expression would yield the string "-foo-foo-foo-".
Invoking this method changes this matcher's state. If the matcher is to be used in further matching operations then it should first be reset.
@param replacement The replacement string @return The string constructed by replacing each matching subsequenceby the replacement string, substituting captured subsequences as needed


  @Override
  public Event intercept(Event event) {
    String origBody = new String(event.getBody(), charset);
    Matcher matcher = searchPattern.matcher(origBody);
    String newBody = matcher.replaceAll(replaceString);
    event.setBody(newBody.getBytes(charset));
    return event;
  }


  @Override

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        Pattern pattern = Pattern.compile("([0-9]+) x ([0-9]+)");
        Matcher matcher = pattern.matcher(s);
        if (! matcher.matches()) {
            return null;
        }
        String numText = matcher.replaceAll("$1");
        String denText = matcher.replaceAll("$2");
        int num = Integer.parseInt(numText);
        int den = Integer.parseInt(denText);


        return new AspectConstraint(num, den);

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        Matcher matcher = pattern.matcher(s);
        if (! matcher.matches()) {
            return null;
        }
        String numText = matcher.replaceAll("$1");
        String denText = matcher.replaceAll("$2");
        int num = Integer.parseInt(numText);
        int den = Integer.parseInt(denText);


        return new AspectConstraint(num, den);
    }

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    TemplateKey(File file) {
        this.file = file;
        String fileName = file.getName();
        String baseName = FileUtil.trimExtensionOf(fileName);
        Matcher matcher = NamePattern.matcher(baseName);
        String encodedNamespace = matcher.replaceAll("$1");
        String encodedName = matcher.replaceAll("$2");
        namespace = FileUtil.decodeFilename(encodedNamespace);
        name = FileUtil.decodeFilename(encodedName);
    }

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        this.file = file;
        String fileName = file.getName();
        String baseName = FileUtil.trimExtensionOf(fileName);
        Matcher matcher = NamePattern.matcher(baseName);
        String encodedNamespace = matcher.replaceAll("$1");
        String encodedName = matcher.replaceAll("$2");
        namespace = FileUtil.decodeFilename(encodedNamespace);
        name = FileUtil.decodeFilename(encodedName);
    }


    public String getName() {

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            BufferedReader buffer = new BufferedReader(reader);
            String line = buffer.readLine();
            while (line != null) {
                Matcher matcher = pattern.matcher(line);
                if (matcher.matches()) {
                    String text = matcher.replaceAll("$1");
                    int i = Integer.parseInt(text);
                    return i / 1024;
                }
                line = buffer.readLine();
            }

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            prefix = this.rm_.reverse(prefix);
        }


        try {
            Matcher m = P_URL.matcher(s);
            s = m.replaceAll("url(" + prefix + "$1)");
            return s;
        } catch (Throwable e) {
            System.err.println("Error process relative URL: " + fn);
            e.printStackTrace(System.err);
            return s;

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    protected String regexReplace(String regex_pattern,
            String replacement, String s) {
        Pattern p = Pattern.compile(regex_pattern);
        Matcher m = p.matcher(s);
        return m.replaceAll(replacement);
    }


    protected String processTag(String s) {
        // ending tags
        Pattern p = Pattern.compile("^/([a-z0-9]+)", REGEX_FLAGS_SI);

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        if(next == null) {
          matcher = patternReplacement.getKey().matcher(line);
        } else {
          matcher = patternReplacement.getKey().matcher(next);
        }
        next = matcher.replaceAll(patternReplacement.getValue());
      }
      if(next == null) {
        throw new RuntimeException("Woh nelly! This is bad. There is no reason this should ever happen!");
      }
      next += "\n";

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            if (matcher.matches()) {
                ln = matcher.group(2);
                query = matcher.replaceFirst("$1$3");
                matcher = AMP_CLEANUP_PATTERN.matcher(query);
                if (matcher.matches()) {
                    query = matcher.replaceAll("$1$2$3");
                }
            }
            if (!query.isEmpty()) {
                buffer.append("?").append(query);
            }

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