![]() Thus, characters not used in US-ASCII and control characters must be encoded. URLs only use the graphic printable characters of the US-ASCII character set.Characters that do not have a corresponding graphic character are unsafe, or are reserved for special purposes must be encoded. ![]() These characters can all exist within the URL without encoding because nearly all servers on the Internet will correctly interpret them. Safe characters include alphanumerical values and certain special characters -_.* (dash, underscore, period and asterisk). URL encoding is a method for representing special characters with a “%” followed by the two hexadecimal digits that form the hexadecimal value of the character within the US-ASCII coded character set. URLs consist of a sequence of characters within the US-ASCII coded character set. Uniform Resource Locators (URLs) are the method used to locate and access information over the Internet. When using the HTTP interface, HostBridge command strings that include blanks and/or special characters must be URL encoded.
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