�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` # is-ip [![Build Status](https://travis-ci.org/sindresorhus/is-ip.svg?branch=master)](https://travis-ci.org/sindresorhus/is-ip) > Check if a string is an IP address ## Install ``` $ npm install is-ip ``` ## Usage ```js const isIp = require('is-ip'); isIp('192.168.0.1'); //=> true isIp('1:2:3:4:5:6:7:8'); //=> true isIp.v4('1:2:3:4:5:6:7:8'); //=> false ``` ## API ### isIp(string) Check if `string` is IPv4 or IPv6. ### isIp.v4(string) Check if `string` is IPv4. ### isIp.v6(string) Check if `string` is IPv6. ### isIp.version(string) Returns `6` if `string` is IPv6, `4` if `string` is IPv4, or `undefined` if `string` is neither. ```js isIp.version('192.168.0.1'); //=> 4 isIp.version('1:2:3:4:5:6:7:8'); //=> 6 isIp.version('abc'); //=> undefined ``` ## Related - [ip-regex](https://github.com/sindresorhus/ip-regex) - Regular expression for matching IP addresses - [is-cidr](https://github.com/silverwind/is-cidr) - Check if a string is an IP address in CIDR notation - [cidr-regex](https://github.com/silverwind/cidr-regex) - Regular expression for matching IP addresses in CIDR notation ## License MIT © [Sindre Sorhus](https://sindresorhus.com)