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This article mainly talks about "what are the special symbols and codes of URL". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn "what are the special symbols and codes of URL?"

Some symbols cannot be passed directly in URL, so if you want to pass these special symbols in URL, you will have to use their coding. The format of the encoding is:% plus character ASCII code, that is, a percent sign%, followed by the ASCII (hexadecimal) code value of the corresponding character. For example, the coding value of the space is "% 20". If escape characters are not used, these encodings are treated as special characters defined in URL.

URL special symbols and codes

Some URL special symbols and coded hexadecimal values are listed in the following table

1) + sign in + URL indicates space% 2B

2) spaces in the space URL can be signed with a + sign or encoded with% 20

3) / separate directories and subdirectories% 2F

4)? Separate the actual URL and parameter 3F

5)% specify special character 25

6) # indicates bookmark 23

7) & the delimiter% 26 between the parameters specified in URL

8) = the value% 3D of the specified parameter in URL

Url has +, space, /,?,%, #, &, = and other special symbols, may not be able to get the correct parameter values on the server side, what to do?

URL Special symbol solution

Convert these characters into characters that can be recognized by the server. The corresponding relationship is as follows:

Replace it with other characters, or full-width.

The + sign in + URL indicates space 2B.

Spaces in the space URL can be signed with a + sign or encoded with% 20

/ separate directories and subdirectories% 2F

? Separate the actual URL and parameter 3F

Specify special character 25

# indicates bookmark 23

Delimiter% 26 between parameters specified in & URL

= the value of the parameter specified in URL 3D

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