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| Title |
Test
Details
Email - Overly Simple
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| Expression |
^\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,3}$ |
| Description |
Simple email expression. Doesn't allow numbers in the domain name and doesn't allow for top level domains that are less than 2 or more than 3 letters (which is fine until they allow more). Doesn't handle multiple "." in the domain ( [email protected]). |
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| Author |
Rating:
Steven Smith
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| Title |
Test
Details
Pattern Title
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| Expression |
^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$ |
| Description |
This expression matches email addresses, and checks that they are of the proper form. It checks to ensure the top level domain is between 2 and 4 characters long, but does not check the specific domain against a list (especially since there are so many of them now). |
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| Non-Matches |
a@b | notanemail | joe@@. |
| Author |
Rating:
Not yet rated.
Steven Smith
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| Title |
Test
Details
Pattern Title
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| Expression |
^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$ |
| Description |
Email validator that adheres directly to the specification for email address naming. It allows for everything from ipaddress and country-code domains, to very rare characters in the username. |
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| Non-Matches |
joe | @foo.com | a@a |
| Author |
Rating:
Andy Smith
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| Title |
Test
Details
Pattern Title
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| Expression |
[\w-]+@([\w-]+\.)+[\w-]+ |
| Description |
Yet another simple email validator expression. |
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asdf | 1234 |
| Author |
Rating:
Steven Smith
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| Title |
Test
Details
Pattern Title
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| Expression |
^\w+[\w-\.]*\@\w+((-\w+)|(\w*))\.[a-z]{2,3}$ |
| Description |
Email validation. With this short expression you can validate for proper email format. It's short and accurate. |
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| Author |
Rating:
Eric Lebetsamer
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Test
Details
Pattern Title
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| Expression |
^[\w\.=-]+@[\w\.-]+\.[\w]{2,3}$ |
| Description |
Much simpler email expression. This one forces a length of 2 or 3, which fits current specs, but you may need to alter the end as this one allows all numerals on the .COM section. |
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word | word@ | @word |
| Author |
Rating:
Gregory Beamer
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| Title |
Test
Details
Pattern Title
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| Expression |
^([\w\d\-\.]+)@{1}(([\w\d\-]{1,67})|([\w\d\-]+\.[\w\d\-]{1,67}))\.(([a-zA-Z\d]{2,4})(\.[a-zA-Z\d]{2})?)$ |
| Description |
This pattern allows standard e-mail addresses (e.g. [email protected]), sub domains (e.g. [email protected]), the new two- and four-letter domains (e.g. [email protected] and [email protected]) and country codes (e.g. [email protected]). Also, this patter follows the Network Solutions standard length of 67 characters for top-level domains. The reason I allow numbers to be entered in the domain suffix is for future planning. If you do not want numbers to be able to be added as a domain suffix (e.g. [email protected]), simply delete the last two occurrences of "\d". |
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| Author |
Rating:
Not yet rated.
Laurence O'Donnell
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| Title |
Test
Details
Pattern Title
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| Expression |
^([\w\-\.]+)@((\[([0-9]{1,3}\.){3}[0-9]{1,3}\])|(([\w\-]+\.)+)([a-zA-Z]{2,4}))$ |
| Description |
Expression 1 of 2 used to check email address syntax. |
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| Author |
Rating:
David Lott
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| Title |
Test
Details
Pattern Title
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| Expression |
^(([-\w \.]+)|(""[-\w \.]+"") )?<([\w\-\.]+)@((\[([0-9]{1,3}\.){3}[0-9]{1,3}\])|(([\w\-]+\.)+)([a-zA-Z]{2,4}))>$ |
| Description |
Expression 2 or 2 for matching email address syntax. This one matches the <angle bracket syntax>. |
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| Author |
Rating:
David Lott
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| Title |
Test
Details
Pattern Title
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| Expression |
^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.(([0-9]{1,3})|([a-zA-Z]{2,3})|(aero|coop|info|museum|name))$ |
| Description |
Matches e-mail addresses, including some of the newer top-level-domain extensions, such as info, museum, name, etc. Also allows for emails tied directly to IP addresses. |
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| Author |
Rating:
David Huyck
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| Title |
Test
Details
Pattern Title
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| Expression |
^([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5})$ |
| Description |
Easy expression that checks for valid email addresses. |
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| Author |
Rating:
Zrekam makerZ
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Test
Details
Pattern Title
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| Expression |
^.+@[^\.].*\.[a-z]{2,}$ |
| Description |
Most email validation regexps are outdated and ignore the fact that domain names can contain any foreign character these days, as well as the fact that anything before @ is acceptable. The only roman alphabet restriction is in the TLD, which for a long time has been more than 2 or 3 chars (.museum, .aero, .info). The only dot restriction is that . cannot be placed directly after @.
This pattern captures any valid, reallife email adress. |
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| Author |
Rating:
Thor Larholm
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Test
Details
Pattern Title
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| Expression |
^[\w-]+(?:\.[\w-]+)*@(?:[\w-]+\.)+[a-zA-Z]{2,7}$ |
| Description |
Matches 99.99% of e-mail addresses (excludes IP e-mails, which are rarely used). The {2,7} at the end leaves space for top level domains as short as .ca but leaves room for new ones like .museum, etc. The ?: notation is a perl non-capturing notation, and can be removed safely for non-perl-compatible languages. See also email. |
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| Author |
Rating:
J. Washam
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Test
Details
Pattern Title
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| Expression |
^[\w-]+(\.[\w-]+)*@([a-z0-9-]+(\.[a-z0-9-]+)*?\.[a-z]{2,6}|(\d{1,3}\.){3}\d{1,3})(:\d{4})?$ |
| Description |
Matches a valid email address including ip's which are rarely used. Allows for a-z0-9_.- in the username, but not ending in a full stop i.e [email protected] is invalid and a-z0-9- as the optional sub domain(s) with domain name and a 2-7 char (a-z) tld allowing for short tld's like ca and new ones like museum. |
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| Author |
Rating:
Not yet rated.
nick bennett
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| Title |
Test
Details
Pattern Title
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| Expression |
^(([A-Za-z0-9]+_+)|([A-Za-z0-9]+\-+)|([A-Za-z0-9]+\.+)|([A-Za-z0-9]+\++))*[A-Za-z0-9]+@((\w+\-+)|(\w+\.))*\w{1,63}\.[a-zA-Z]{2,6}$ |
| Description |
It verifies that: - Only letters, numbers and email acceptable symbols (+, _, -, .) are allowed - No two different symbols may follow each other - Cannot begin with a symbol - Ending domain must be at least 2 letters - Supports subdomains - TLD must be between 2 and 6 letters (Ex: .ca, .museum) - Only (-) and (.) symbols are allowed in domain, but not consecutively.
Problems:
See comments below |
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| Author |
Rating:
Gavin Sharp
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| Title |
Test
Details
Pattern Title
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| Expression |
^((\"[^\"\f\n\r\t\v\b]+\")|([\w\!\#\$\%\&\'\*\+\-\~\/\^\`\|\{\}]+(\.[\w\!\#\$\%\&\'\*\+\-\~\/\^\`\|\{\}]+)*))@((\[(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))\])|(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))|((([A-Za-z0-9\-])+\.)+[A-Za-z\-]+))$ |
| Description |
Email address validator. Should cover most of RFC 822, including unusual (but still valid) addresses. Does not restrict the top level domain size, but you're better off doing an nslookup or similar if you absolutely must have a valid domain. Accepts IP Addresses instead of the domain, with or without brackets. Believe it or not, this one is valid: !#$%^&amp;amp;amp;*-+~/'`|{}@xyz.com
Sorry looks like this site is mangling the quote and ampersand characters - you'll have to fix that yourself. |
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| Non-Matches |
./A/Wacky/ [email protected] | bob.builder@[256.1.1.1] | -"blah b. blahburger"@blah.com |
| Author |
Rating:
Roger Ramjet
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| Title |
Test
Details
Pattern Title
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| Expression |
^[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})$ |
| Description |
does not allow IP for domain name : [email protected]
does not allow litteral addresses "hello, how are you?"@world.com
allows numeric domain names
after the last "." minimum 2 letters |
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| Author |
Rating:
bilou mcgyver
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Test
Details
Pattern Title
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| Expression |
(\w[-._\w]*\w@\w[-._\w]*\w\.\w{2,3}) |
| Description |
This is my all-time favourite e-mail validator. I've used it for years and it's never failed me :-) |
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| Author |
Rating:
Darren Neimke
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| Title |
Test
Details
Pattern Title
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| Expression |
^[a-z0-9][a-z0-9_\.-]{0,}[a-z0-9]@[a-z0-9][a-z0-9_\.-]{0,}[a-z0-9][\.][a-z0-9]{2,4}$ |
| Description |
for validate a email, but with this regex it 's possible : a._-z@a_.....____---.com |
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| Author |
Rating:
Not yet rated.
Laurent J
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| Title |
Test
Details
Pattern Title
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| Expression |
(?<email>(?![ ])(\w|[.])*@(\w|[.])*) |
| Description |
E-mail addresses matcher |
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arnoldschwarz |
| Author |
Rating:
Not yet rated.
Manpreet Grewal
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| Title |
Test
Details
Pattern Title
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| Expression |
^\W{0,5}[Rr]e:\W[a-zA-Z0-9]{1,10},\W[a-z]{1,10}\W[a-z]{1,10}\W[a-z]{1,10} |
| Description |
Simple email subject line matching. This regex matches those really annoying emails that begin with 0-5 spaces, followed by a fake reply, contain a random string of letters (usually CAPITALIZED) from 1-10 characters long followed by a comma, and then followed by three lower-case words each from 1-10 characters long. In my experience, the 3 trailing words are always lower-case. the words make begin with, contain, or end in common punctuation marks. |
| Matches |
re: ASDFG, hours among lifestyle | Re: ASD34SSDF, i can't believe | Re: VZWENKS, the coffin brogade |
| Non-Matches |
re: ASDFGASFDASDF, Hours among lifestyle | Re: ASD34SSDF, I can't believe it's true |
| Author |
Rating:
Not yet rated.
Joseph Lundgren
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| Title |
Test
Details
Pattern Title
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| Expression |
^((([a-zA-Z\'\.\-]+)?)((,\s*([a-zA-Z]+))?)|([A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})))(;{1}(((([a-zA-Z\'\.\-]+){1})((,\s*([a-zA-Z]+))?))|([A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})){1}))*$ |
| Description |
This regular expression matches a series of names and/or email addresses much like you would do in Outlook's To field (e.g. To: [email protected];miles, er;roemer;lagrander, nitra). The first entry must be a name (in the form of last name followed by a comma and first name) or an email address. The following entries are a semicolon followed by one name or email address. The comma and first name are optional components of the name part. |
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| Author |
Rating:
Not yet rated.
William Rohrbach
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| Title |
Test
Details
Email
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| Expression |
^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$ |
| Description |
regex to validate email address
noteworthy:
(1) It allows usernames with 1 or 2 alphanum characters, or 3+ chars can have -._ in the middle. username may NOT start/end with -._ or any other non alphanumeric character.
(2) It allows heirarchical domain names (e.g. [email protected]). Similar -._ placement rules there.
(3) It allows 2-9 character alphabetic-only TLDs (that oughta cover museum and adnauseum :>).
(4) No IP email addresses though -- I wouldn't Want to accept that kind of address. |
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| Author |
Rating:
Rob Eberhardt
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| Title |
Test
Details
Pattern Title
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| Expression |
\w+[\w-\.]*\@\w+((-\w+)|(\w*))\.[a-z]{2,3}$|^([0-9a-zA-Z'\.]{3,40})\*|([0-9a-zA-Z'\.]+)@([0-9a-zA-Z']+)\.([0-9a-zA-Z']+)$|([0-9a-zA-Z'\.]+)@([0-9a-zA-Z']+)\*+$|^$ |
| Description |
This regular expression is for admitting wild card searches on Emails the wild card character is * and in my case will only allow to do the search when the * is place after the first 3 alphanumeric characters. If you need to modify this behavior change the {3,40} to {n,m} where n is how many characters before the * and m is the total number if characters. |
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j* | js* |
| Author |
Rating:
Not yet rated.
Julio de la Yncera
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| Title |
Test
Details
Pattern Title
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| Expression |
^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@(([0-9a-zA-Z])+([-\w]*[0-9a-zA-Z])*\.)+[a-zA-Z]{2,9})$ |
| Description |
Email validation based on Rob Eberhardt's (Thanks, Rob!) email expression, but allows single letter subdomains... |
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| Author |
Rating:
Shaune Stark
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| Title |
Test
Details
Pattern Title
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| Expression |
^((?:(?:(?:\w[\.\-\+]?)*)\w)+)\@((?:(?:(?:\w[\.\-\+]?){0,62})\w)+)\.(\w{2,6})$ |
| Description |
Not a 100% email validation. It doesn't work with IP-Adresses, but it's good for most common cases. At least I hope so. |
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| Author |
Rating:
Not yet rated.
Sebastian Hiller
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| Title |
Test
Details
Pattern Title
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| Expression |
^((?:(?:(?:[a-zA-Z0-9][\.\-\+_]?)*)[a-zA-Z0-9])+)\@((?:(?:(?:[a-zA-Z0-9][\.\-_]?){0,62})[a-zA-Z0-9])+)\.([a-zA-Z0-9]{2,6})$ |
| Description |
Captures Submatches, problem:domainname length can be longer than 64 chars, because every [a-zA-Z0-9][\.\-_] is only countet as one char. |
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| Author |
Rating:
Sebastian Hiller
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| Title |
Test
Details
email address (RFC 2822 mailbox)
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| Expression |
^((?>[a-zA-Z\d!#$%&'*+\-/=?^_`{|}~]+\x20*|"((?=[\x01-\x7f])[^"\\]|\\[\x01-\x7f])*"\x20*)*(?<angle><))?((?!\.)(?>\.?[a-zA-Z\d!#$%&'*+\-/=?^_`{|}~]+)+|"((?=[\x01-\x7f])[^"\\]|\\[\x01-\x7f])*")@(((?!-)[a-zA-Z\d\-]+(?<!-)\.)+[a-zA-Z]{2,}|\[(((?(?<!\[)\.)(25[0-5]|2[0-4]\d|[01]?\d?\d)){4}|[a-zA-Z\d\-]*[a-zA-Z\d]:((?=[\x01-\x7f])[^\\\[\]]|\\[\x01-\x7f])+)\])(?(angle)>)$ |
| Description |
This accepts RFC 2822 email addresses in the form:<br>
[email protected] OR<br>
Blah < [email protected]><br>
<br>
RFC 2822 email 'mailbox':<br>
mailbox = name-addr | addr-spec<br>
name-addr = [display-name] "<" addr-spec ">"<br>
addr-spec = local-part "@" domain<br>
domain = rfc2821domain | rfc2821domain-literal<br>
<br>
local-part conforms to RFC 2822.<br>
<br>
domain is either:<br>
An rfc 2821 domain (EXCEPT that the final sub-domain must consist of 2 or more letters only).<br>
OR<br>
An rfc 2821 address-literal.<br>
(Note, no attempt is made to fully validate an IPv6 address-literal.)<br>
<br>
Notes:<br>
This pattern uses (.NET/Perl only?) features named group "(?<name>)" and alternation/IF (?(name)).<br>
<br>
See <a href="http://regexadvice.com/forums/permalink/26742/26742/ShowThread.aspx#26742">this regexadvice.com thread</a> for more info, including a version that does not use .NET features.<br>
<br>
RFC 2822 (and 822) do allow embedded comments, whitespace, and newlines within *some* parts of an email address, but this pattern above DOES NOT.<br>
<br>
RFC 2822 (and 822) allow the domain to be a simple domain with NO ".", but this pattern requires a compound domain at least one "." in the domain name, as per RFC 2821 (4.1.2).<br>
<br>
RFC 2822 allows/disallows certain whitespace characters in parts of an email address, such as TAB, CR, LF BUT the pattern above does NOT test for these, and assumes that they are not present in the string (on the basis that these characters are hard to enter into an edit box). |
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| Author |
Rating:
Mark Cranness
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| Title |
Test
Details
Pattern Title
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| Expression |
\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*([,;]\s*\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*)* |
| Description |
Validates 1 or more email addresses. Email addresses can be delimited with either comma or semicolon. White space is allowed after delimiter, but not necessary. I needed this to allow my users to specify multiple email addresses if they choose to do so. |
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| Non-Matches |
lewis@@moten.com |
| Author |
Rating:
Lewis Moten
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| Title |
Test
Details
Pattern Title
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| Expression |
^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*\s+<(\w[-._\w]*\w@\w[-._\w]*\w\.\w{2,3})>$|^(\w[-._\w]*\w@\w[-._\w]*\w\.\w{2,3})$ |
| Description |
This Works good until we want a multiple email address validator, I am working on it to make it work with the multiple email address, If anyone can work on this part as to validate a multiple email address then that will produce a very good expression, i think the best of this kind. AIM - to Validate Mohit < [email protected]>; Rohit < [email protected]>; .........(any number of times) |
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| Author |
Rating:
Mohit Yadav
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| Title |
Test
Details
Pattern Title
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| Expression |
^[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})$ |
| Description |
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| Matches |
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| Non-Matches |
dot_dot@dot_i.com |
| Author |
Rating:
mahesh mandhare
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| Title |
Test
Details
Pattern Title
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| Expression |
^(?:[a-zA-Z0-9_'^&/+-])+(?:\.(?:[a-zA-Z0-9_'^&/+-])+)*@(?:(?:\[?(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))\.){3}(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\]?)|(?:[a-zA-Z0-9-]+\.)+(?:[a-zA-Z]){2,}\.?)$ |
| Description |
this will validate most legal email addresses, even allows for some discouraged but perfectly legal characters in local part; allows IP domains with optional []; keeps final tld at a minmum of 2 chars; non capturing groups for efficiency |
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| Non-Matches |
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| Author |
Rating:
Not yet rated.
Micah Duke
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| Title |
Test
Details
Pattern Title
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| Expression |
^(([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5}){1,25})+([;.](([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5}){1,25})+)*$ |
| Description |
this will accept multiple email ids separated only by semi-colons (anyway u can change it). |
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| Author |
Rating:
narendiran dorairaj
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| Title |
Test
Details
Pattern Title
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| Expression |
^([0-9a-zA-Z]+[-._+&])*[0-9a-zA-Z]+@([-0-9a-zA-Z]+[.])+[a-zA-Z]{2,6}$ |
| Description |
A short and sweet email address validator. Checks that the username starts and ends with an alphanumeric character, allows a few non-repeating 'special characters' (namely -, ., _, +, &) and checks for a sensible domain name (2-6 character TLD required). Some unconventional, yet technically valid, addresses will not be matched, but this is only a simple expression ;-) |
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| Author |
Rating:
Luke Arms
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| Title |
Test
Details
Pattern Title
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| Expression |
(?<user>(?:(?:[^ \t\(\)\<\>@,;\:\\\"\.\[\]\r\n]+)|(?:\"(?:(?:[^\"\\\r\n])|(?:\\.))*\"))(?:\.(?:(?:[^ \t\(\)\<\>@,;\:\\\"\.\[\]\r\n]+)|(?:\"(?:(?:[^\"\\\r\n])|(?:\\.))*\")))*)@(?<domain>(?:(?:[^ \t\(\)\<\>@,;\:\\\"\.\[\]\r\n]+)|(?:\[(?:(?:[^\[\]\\\r\n])|(?:\\.))*\]))(?:\.(?:(?:[^ \t\(\)\<\>@,;\:\\\"\.\[\]\r\n]+)|(?:\[(?:(?:[^\[\]\\\r\n])|(?:\\.))*\])))*) |
| Description |
Validates email addresses according to the RFC 822 specification. The only exception is the exclusion of control characters, which should be sufficient for human input from a keyboard. |
| Matches |
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| Non-Matches |
"TravisGray"extra@ domain.biz |
| Author |
Rating:
Trevor Green
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| Title |
Test
Details
Pattern Title
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| Expression |
^((?<DRIVE>[a-z]:)|(\\\\(?<SERVER>[0-9]*[a-z\-][a-z0-9\-]*)\\(?<VOLUME>[^\.\x01-\x1F\\""\*\?<>:|\\/][^\x01-\x1F\\""\*\?|><:\\/]*)))?(?<FOLDERS>(?<FOLDER1>(\.|(\.\.)|([^\.\x01-\x1F\\""\*\?|><:\\/][^\x01-\x1F\\""\*\?<>:|\\/]*)))?(?<FOLDERm>[\\/](\.|(\.\.)|([^\.\x01-\x1F\\""\*\?|><:\\/][^\x01-\x1F\\""\*\?<>:|\\/]*)))*)?[\\/]?$ |
| Description |
Verify "well formed-ness" of DOS or UNC paths.
Passed over 170 NUnit test, (took 3 complete rewrites)
Components of a path:
DRIVE:=[a-z]:
SERVER:=[0-9]*[a-z\-][a-z0-9\-]*
FNAME:=[^\.\x01-\x1F\\""\*\?<>:|\\/][^\x01-\x1F\\""\*\?<>:|\\/]*
VOLUME:=FNAME
UNC:=\\SERVER\VOLUME
ROOT:=(DRIVE|UNC)
FOLDER:=.|..|FNAME
FOLDERS:=FOLDER?([\]FOLDER)*[\]?
PATH:=^ROOT?FOLDERS?$ |
| Matches |
his is a very 'long' folder\that is.part of 2 folders. | b\c\..\x. | \\Dads\Mp3\FileName1\.\TestDir2 |
| Non-Matches |
\\1.dads\C | \. folder\ | .ext |
| Author |
Rating:
Not yet rated.
Tristen Fielding
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