删除 json 字符串中的注释信息

gistfile1.txt

/**
 * 删除 json 字符串中的注释信息
 * <p>标准的 json 是不允许带注释的，大部分 json 框架都不支持带注释 json 字符串的解析</p>
 * @param source 原始 json 字符串
 * @return 无注释信息的 json 字符串
 */
public String stripComment(String source) {
	return source == null ? null : source.replaceAll("\\s*//.*|(?s)\\s*/\\*(.*?)\\*/[ \\t]*", "");
}

@Test
public void test() throws Exception {
	String source = "// 中文\n  \t// \ttest\n" +
		"{\n" +
		"  // comment11\n" +
		"  k11: \"v11\",\n" +
		"  k12: \"v12\",  \t// comment12\n" +
		"  //comment13  \t\n" +
		"  k13: \"v13\",  \t// \tcomment13  \t\n" +
		"\n" +
		"  /* comment21 */\n" +
		"  k21: \"v21\",\n" +
		"  k22: \"v22\",  \t/* comment22 */\n" +
		"  /*comment23*/  \t\n" +
		"  k23: \"v23\",  \t/* \tcomment23*/  \t\n" +
		"\n" +
		"  /* line311\n" +
		"   * line312\n" +
		"   */\n" +
		"  k31: \"v31\",\n" +
		"  /** line321\n" +
		"   * line322\n" +
		"   */\n" +
		"  k32: \"v32\",\n" +
		"  /**\n" +
		"   * line331\n" +
		"   * line332\n" +
		"   */\n" +
		"  k33: \"v33\",\n" +
		"  ke:0\n" +
		"}";
	System.out.println("source=" + source);
	String result = stripComment(source);
	System.out.println("result=" + result);
	JSONObject json = new JSONObject(result);
	System.out.println("json=" + json);
}

==== source ====

// 中文
    //  test
{
  // comment11
  k11: "v11",
  k12: "v12",   // comment12
  //comment13   
  k13: "v13",   //  comment13   

  /* comment21 */
  k21: "v21",
  k22: "v22",   /* comment22 */
  /*comment23*/     
  k23: "v23",   /*  comment23*/     

  /* line311
   * line312
   */
  k31: "v31",
  /** line321
   * line322
   */
  k32: "v32",
  /**
   * line331
   * line332
   */
  k33: "v33",
  ke:0
}

==== result ====

{
  k11: "v11",
  k12: "v12",
  k13: "v13",
  k21: "v21",
  k22: "v22",
  k23: "v23",
  k31: "v31",
  k32: "v32",
  k33: "v33",
  ke:0
}