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  String str  = "[010101]+[010102]";
  String ss = "
  System.out.println(ss); //  \[010101]  
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  ÐèÒªÓ÷´Ð±¸Ü  \[  ¶ÔÆä½øÐÐתÒå
\\[010101]";  
  String ssss = "
\\\\"+"[010101]";   //  
  System.out.println(str.replaceFirst(ssss,"ss"));


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