Query string: Difference between revisions

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add ? to query string
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* Letters (<code>A</code>–<code>Z</code> and <code>a</code>–<code>z</code>), numbers (<code>0</code>–<code>9</code>) and the characters '<code>~</code>','<code>-</code>','<code>.</code>' and '<code>_</code>' are left as-is
* <code>+</code> is encoded by %2B
* All other characters are encoded as a <code>%HH</code> [[hexadecimal]] representation with any non-ASCII characters first encoded as UTF-8 (or other specified encoding)
 
The octet corresponding to the tilde ("<code>~</code>") is permitted in query strings by RFC3986 but required to be percent-encoded in HTML forms to "<code>%7E</code>".