java.util.regex.PatternSyntaxException: Unclosed counted closure near index 14

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java.util.regex.PatternSyntaxException: Unclosed counted closure near index 14


  错误:  request.getParameter("username");
        Pattern p = Pattern.compile("^[0-9A-Za-z]{1-10}");

    正确:request.getParameter("username");
        Pattern p = Pattern.compile("^[0-9A-Za-z]{1,10}");

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