Management consultants in the 1970s and 1980s even used this puzzle when making sales pitches to prospective clients.
In the 1970s, however, very few were even aware of its existence, even though it had been around for almost a century.
As impressive as that number is, it's only a glance at what's to come: Experts in the field of online relations say that dating sites are expected to account for nearly half of all hookups by 2014.
FILTER_VALIDATE_URL does not work with URNs, examples of valid URIs according to RFC3986 and if they are accepted by FILTER_VALIDATE_URL: [PASS] ftp://example.org/rfc/rfc1808[PASS] gopher://spinaltap.example.edu/00/Weather/California/Los Angeles [PASS] mailto:[email protected][PASS] news:comp.[PASS] telnet://example.edu/ [PASS] ldap://[2001:db8::7]/c=GB?
in the domain part, a comment in the source code (in ext/filter/logical_filters.c) justifies this rejection thus: * The regex below is based on a regex by Michael Rushton.
A few years ago, I posted a couple functions for validating email addresses using PHP.
This is a follow up post that provides a simpler method for validating both email addresses and URLs.
= "The email address can be no longer than 50 characters."; elseif (!
eregi($valid Email Expr, $form Vars["email"])) // The email must match the above regular expression $error String .= "The email address must be in the [email protected] format."; elseif (strlen($form Vars["email"]) 50) // The length cannot exceed 50 characters $error String .
The invention of gunpowder and printing in the Tang dynasty completed the Four Great Inventions.
Several reports from highly circulated American newspapers including the Boston Herald, the New York Times and the Chicago Tribune have attributed one in every four hookups within North America in 2012 to online dating.
I changed it to only consider routeable * addresses as valid.
Michael's regex considers [email protected] a valid address * which conflicts with section 2.3.5 of RFC 5321 which states that: * * Only resolvable, fully-qualified domain names (FQDNs) are permitted * when domain names are used in SMTP.
” “Sounds good to me,” I replied, “I’ll call Mathew out, and I think he’ll not refuse, he’s always had a “thing” for you!