protected static void checkNormal(String configKey, String configValue) throws SofaRpcRuntimeException {
        checkPattern(configKey, configValue, NORMAL, "only allow a-zA-Z0-9 '-' '_' '.'");
    }
protected static void checkNormal ( String configKey , String configValue ) throws SofaRpcRuntimeException { checkPattern ( configKey , configValue , NORMAL , "only allow a-zA-Z0-9 '-' '_' '.'" ) ; }
检查字符串是否是正常值，不是则抛出异常

@param configKey   配置项
@param configValue 配置值
@throws SofaRpcRuntimeException 非法异常