We are doing business items, enter the client can not always control, there are a variety of special characters, these special characters is necessary to use in order to determine the ASCII table, so I made a map for easy viewing
Why put forward a table out, following a string, you see if you look out what special character thing (middle blank space)
20160807 1Come see, let's see what is in hexadecimal
$ hexdump -C tmp.md
0000000 32 30 31 36 30 38 30 37 20 c2 a0 31
000000cThree special characters is 20, c2, a0 which can only correspond to ascii code table to find
Original Address: [important] ASCII code table
Tags: ASCII special characters
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Reproduced in: https: //my.oschina.net/54php/blog/757189