从Hexa转换为ascii如何检测数据包 [英] Conversion from Hexa to ascii how to detect packet

问题描述

 $$ ,,,, 47,1,55200109400273000000B203029000110057616A6168003033343535313732383135000000000036313130312D303339303930352D3900542D3030303035370000000000 * 
 
 $$ ,,,, 47,1,55200109400257616A61686174204162626173000000003033343535313732383135000000000036313130312D303339303930352D3900542D3030303035370000000000 * 
 
 $ $ ,,,, 47,1，F432400257616A61686174204162626173000000003033343535313732383135000000000036313130312D303339303930352D3900542D30303030353700000000000000 * 

来自服务器我已收到HEX中的数据表单我想检测一个从

开始的数据包（$$ ,,,, 47结束于*）

每次我的服务器检查是否找到数据包然后开始转换

如何在循环中检测这些类型的数据包

解决方案

,,,, 47,1,55200109400273000000B203029000110057616A6168003033343535313783383135000000000036313130312D303339303930352D3900542D3030303035370000000000 *

,,,, 47,1,55200109400257616A61686174204162626173000000003033343535313732383135000000000036313130312D303339303930352D3900542D3030303035370000000000 *

,,,, 47,1，F432400257616A61686174204162626173000000003033343535313732383135000000000036313130312D303339303930352D3900542D30303030353700000000000000 *

从服务器我收到HEX格式的数据我想检测一个从

开始的数据包（

$$,,,,47,1,55200109400273000000B203029000110057616A6168003033343535313732383135000000000036313130312D303339303930352D3900542D3030303035370000000000*

$$,,,,47,1,55200109400257616A61686174204162626173000000003033343535313732383135000000000036313130312D303339303930352D3900542D3030303035370000000000*

$$,,,,47,1,F432400257616A61686174204162626173000000003033343535313732383135000000000036313130312D303339303930352D3900542D30303030353700000000000000*

From server i have receiving data in HEX form i want to detect a packet which is start from
($$,,,,47 and end at *)
Every time my server check if find packet that then start conversion
How can i detect these type of packet in my loop

解决方案

,,,,47,1,55200109400273000000B203029000110057616A6168003033343535313732383135000000000036313130312D303339303930352D3900542D3030303035370000000000*

,,,,47,1,55200109400257616A61686174204162626173000000003033343535313732383135000000000036313130312D303339303930352D3900542D3030303035370000000000*

,,,,47,1,F432400257616A61686174204162626173000000003033343535313732383135000000000036313130312D303339303930352D3900542D30303030353700000000000000*

From server i have receiving data in HEX form i want to detect a packet which is start from
(

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