Remplacement multiple de chaîne Java

    String str = "$aTEST$bTESTTEST$cTESTTEST$aTEST$bTESTTEST$cTESTTEST";
    //Avant le remplacement,Après remplacement
    Map<String, String> map = new HashMap<>();
    map.put("$a", "AaA");
    map.put("$b", "BbB");
    //・
    //・
    //Processus de remplacement(java.util.regex.Matcher)
    Matcher matcher = Pattern.compile(map.keySet().stream().map(Pattern::quote).collect(Collectors.joining("|"))).matcher(str);
    StringBuffer sb = new StringBuffer();
    while (matcher.find()) {
        matcher.appendReplacement(sb, map.get(matcher.group()));
    }
    matcher.appendTail(sb);
    sb.toString();

    String str = "$aTEST$bTESTTEST$cTESTTEST$aTEST$bTESTTEST$cTESTTEST";
    //Avant le remplacement,Après remplacement
    Map<String, String> map = new HashMap<>();
    map.put("$a", "AaA");
    map.put("$b", "BbB");
    //・
    //・
    //Processus de remplacement(org.apache.commons.lang3.StringUtils)
    StringUtils.replaceEach(str, map.keySet().toArray(new String[map.size()]), map.values().toArray(new String[map.size()]));

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