Normalize a URL
Get current machine IP, MAC and DNS servers.
Get your internal IP address
Validate an email address according to RFCs 5321, 5322, and others
Get a GitHub username from an email address
Regular expression for matching IP addresses (IPv4 & IPv6)
A small node.js module to retrieve the request's IP address
get the local network address of your machine
Chance - Utility library to generate anything random
Humanize a URL: http://sindresorhus.com → sindresorhus.com
Check if a string is an IP address
Get your public IP address - very fast!
Convert a URL to a valid filename
A node.js library to get your external ip from multiple services
US Street Address Parser
RFC 2822 (Header) email address parser
A platform to build bitcoin and blockchain-based applications.
Strip the authentication part of a URL
Check if a local or remote port is reachable
Freeform Street Address Parser
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