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kara-ryli/email.regexp.js

Created March 25, 2010 17:17
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The HTML5 e-mail address syntax.
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email.regexp.js
/^(?:[a-z\d!#\$%&'\*\+\-\/=\?\^_`\{\|\}~]+|\.)+@[a-z\d\-]+(?:\.[a-z\d\-]+)*$/i
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This regular expression describes the HTML5 e-mail address syntax. The syntax is described in the spec as ABNF format

1*( atext / "." ) "@" ldh-str 1*( "." ldh-str )

But to figure out what the hell that means, you must read the ABNF format RFC, the e-mail RFC and a domain name RFC.

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