URL - Query String

About

A query string is the fourth part of a URI.

Syntax

An URI has the following syntax with the ?query being the query string

[scheme:][//authority][path][?query][#fragment] 

and within it, the query string follows this syntax

?parameter1=value1&parameter2=value2&...&parameterN=valueN

The value of the parameter must be encoded.

Note that:

• repeated keys are valid and each one may have a different value.

Parameter

A query parameter is the key of a value. See net above.

Documentation / Reference

• https://tools.ietf.org/html/rfc3986#section-3.4