Functions for validating, parsing, and normalizing URIs and their parts.
If you find any errors, please leave a comment.

parseURI(str) splits a URI into its parts
parseQueryNumeric(str) splits a query string into its name/value pairs; returns a 2-D array
parseQueryAssociative(str) splits a query string into its name/value pairs; returns an associative array
parseURL(str) splits a URL (i.e., http(s) scheme URI) into its parts
normalizeURLDomain(domain) converts an obscured URL domain to a more readable one
normalizeIPv4(ip) normalizes an IPv4 address
normalizeIPv6(ip) normalizes an IPv6 address
normalizeURLPath(path) converts an obscured URL path to a more readable one
parseMailto(str) splits a mailto scheme URI into its parts
normalizeEmailAddress(str) converts an obscured email address to a more readable one; unfolds and removes comments
fixURL(str, domain) attempts to fix a URL if needed
fixHyperlink(str, domain, allowMailto) attempts to fix a hyperlink address (http(s) or mailto) if needed

For URLs, note that IPvFuture addresses are not supported.

(Supported by JavaScript, maybe other languages)

The regular expression include the following:
Local part include (at least 2 characters):
1. Uppercase and lowercase English letters (a-z, A-Z)
2. Digits 0 through 9
3. Characters ! # $ % & ' * + - / = ? ^ _ ` { | } ~
4. Character . (dot) provided that it is not the first or last character, and provided also that it does not appear two or more times consecutively.

Top Level Domains include:
1. country-code top-level domains (ISO 3166)
2. generic top-level domains
3. sponsored top-level domains
4. infrastructure top-level domain

Detailed Discussion will be found: The regular expression for checking email

Simple code to get the html of a webpage and send is as a html email msg.

Makes sure the email addresses with IP addresses are not private network addresses. Allows multiple sub-domain levels. verifies characters within domain names. only allows standard length 26 characters for each domain name level, except the top (3 max)

Send an email with VB.net 2.0 with your SMTP Serve

This is a simple function to check if an email is valid or not.

Reg exp for finding url and email adresses. i'm using this from any projects of me. they working

You can search for "@" or something like mail information in your page source code. You'll find nothing.
You can have link of your mail with a title or just you mail address as the title. Hope this code have no problem...

Retrieve, delete, view count of pop3 email.

Please download the pop3 class file here first:
http://www.fileden.com/files/2006/10/24/314941/pop3.class.inc

Many uses!!!!