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URL Encoding and Decoding for Web Development
URL encoding (also known as percent encoding) converts characters into a format that can be transmitted over the Internet. URLs can only contain a limited set of characters from the ASCII character set.
Characters outside this set must be encoded using a percent sign (%) followed by two hexadecimal digits representing the character's ASCII code.
| Character | Encoding | Description |
|---|---|---|
| (space) | %20 or + |
Space character |
| ! | %21 |
Exclamation mark |
| # | %23 |
Hash/pound sign |
| $ | %24 |
Dollar sign |
| & | %26 |
Ampersand |
| = | %3D |
Equals sign |
| @ | %40 |
At sign |