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@nodejs

# Query String#

    Stability: 3 - Stable

This module provides utilities for dealing with query strings. It provides the following methods:

## querystring.stringify(obj, [sep], [eq])#

Serialize an object to a query string. Optionally override the default separator (`'&'`) and assignment (`'='`) characters.

Example:

    querystring.stringify({ foo: 'bar', baz: ['qux', 'quux'], corge: '' })
    // returns
    'foo=bar&baz=qux&baz=quux&corge='

    querystring.stringify({foo: 'bar', baz: 'qux'}, ';', ':')
    // returns
    'foo:bar;baz:qux'

## querystring.parse(str, [sep], [eq], [options])#

Deserialize a query string to an object. Optionally override the default separator (`'&'`) and assignment (`'='`) characters.

Options object may contain `maxKeys` property (equal to 1000 by default), it'll be used to limit processed keys. Set it to 0 to remove key count limitation.

Example:

    querystring.parse('foo=bar&baz=qux&baz=quux&corge')
    // returns
    { foo: 'bar', baz: ['qux', 'quux'], corge: '' }

## querystring.escape#

The escape function used by `querystring.stringify`, provided so that it could be overridden if necessary.

## querystring.unescape#

The unescape function used by `querystring.parse`, provided so that it could be overridden if necessary.