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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]). |
| Matches |
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| Non-Matches |
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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). |
| Matches |
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| Non-Matches |
a@b | notanemail | joe@@. |
| Author |
Rating:
Steven Smith
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| Title |
Test
Details
Pattern Title
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| Expression |
^[a-zA-Z0-9\-\.]+\.(com|org|net|mil|edu|COM|ORG|NET|MIL|EDU)$ |
| Description |
Domain names:
This regular expression tests the validity of a domain or hostname. It will match any valid domain name that does not contain characters which are invalid in URLs, and which ends in .com, .org, .net, .mil, or .edu. You can add additional valid TLDs by appending the | (pipe) character and the desired TLD to the list in the parens. |
| Matches |
3SquareBand.com | asp.net | army.mil |
| Non-Matches |
$SquareBand.com | asp/dot.net | army.military |
| Author |
Rating:
Not yet rated.
G. Andrew Duthie
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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. |
| Matches |
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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\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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| Non-Matches |
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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 |
^http\://[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(/\S*)?$ |
| Description |
Verifies URLs. Checks for the leading protocol, a good looking domain (two or three letter TLD; no invalid characters in domain) and a somwhat reasonable file path. |
| Matches |
http://psychopop.org | http://www.edsroom.com/newUser.asp | http://unpleasant.jarrin.net/markov/inde |
| Non-Matches |
ftp://psychopop.org | http://www.edsroom/ | http://un/pleasant.jarrin.net/markov/index.asp |
| Author |
Rating:
Klaxon Mindjammer
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| Title |
Test
Details
Pattern Title
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| Expression |
(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])? |
| Description |
*CORRECTED: Again thanks for all the comments below. If you want to include internal domain as well change the partial code (\.[\w-_]+)+ to (\.[\w-_]+)?
See the comments below*
This is the regular expression I use to add links in my email program. It also ignores those suppose-to-be commas/periods/colons at the end of the URL, like this sentence "check out http://www.yahoo.com/." (the period will be ignored) Note that it requires some modification to match ones that dont start with http. |
| Matches |
http://regxlib.com/Default.aspx | http://electronics.cnet.com/electronics/0-6342366-8-8994967-1.html |
| Non-Matches |
www.yahoo.com |
| Author |
Rating:
M H
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| Title |
Test
Details
Pattern Title
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| Expression |
^[a-zA-Z0-9]+([a-zA-Z0-9\-\.]+)?\.(com|org|net|mil|edu|COM|ORG|NET|MIL|EDU)$ |
| Description |
Checks domain names. This is an attempt to deal with some of the issues of the other reg ex in not handling leading periods(.) and hypens(-). |
| Matches |
my.domain.com | regexlib.com | big-reg.com |
| Non-Matches |
.mydomain.com | regexlib.comm | -bigreg.com |
| Author |
Rating:
Stewart Haddock
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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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| Non-Matches |
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| Author |
Rating:
David Huyck
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| Title |
Test
Details
Pattern Title
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| Expression |
^(http|https|ftp)\://[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(:[a-zA-Z0-9]*)?/?([a-zA-Z0-9\-\._\?\,\'/\\\+&%\$#\=~])*$ |
| Description |
Modified URL RegExp that requires (http, https, ftp)://, A nice domain, and a decent file/folder string. Allows : after domain name, and these characters in the file/folder sring (letter, numbers, - . _ ? , ' / \ + & % $ # = ~). Blocks all other special characters-good for protecting against user input! |
| Matches |
http://www.blah.com/~joe | ftp://ftp.blah.co.uk:2828/blah%20blah.gif | https://blah.gov/blah-blah.as |
| Non-Matches |
www.blah.com | http://www.blah"blah.com/I have spaces! | ftp://blah_underscore/[nope] |
| Author |
Rating:
Brandon Luhring
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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]{3,5})$ |
| Description |
Host/Domain name validation for perl.
Should be combined with a check for
length <= 63 characters and that $2
is in a list of top-level domains. |
| Matches |
freshmeat.net | 123.com | TempLate-toolkKt.orG |
| Non-Matches |
-dog.com | ?boy.net | this.domain |
| Author |
Rating:
Not yet rated.
Nathan Pitts
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| Title |
Test
Details
Pattern Title
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| Expression |
^.+@[^\.].*\.[a-z]{2,}$ |
| 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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| Non-Matches |
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| Author |
Rating:
Thor Larholm
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| Title |
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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| Non-Matches |
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| Author |
Rating:
J. Washam
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| Title |
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. |
| Matches |
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| Non-Matches |
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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-z0-9]+([\-a-z0-9]*[a-z0-9]+)?\.){0,}([a-z0-9]+([\-a-z0-9]*[a-z0-9]+)?){1,63}(\.[a-z0-9]{2,7})+$ |
| Description |
[Note: this regex was tested with Macromedia's ColdFusion MX. I'm sure it'll need some massaging to work with other regex engines.] Of the few domain validating regular expressions I found in my search I didn't find a single one that reliably handled multiple levels of subdomains or TLDs. So, I wrote one and thoroughly tested it. There are a ton of matching and non-matching examples that need to be included to show the completeness of this regex.
Non-matching: -.domain.com, -a.domain.com, -domain.com, domain-.com, any domain where the portion before the tld is greater than 63 characters.
Matching: a.domain.com, a-a.domain.com, a--a.domain.com, a--defg.com, domain.co.uk. |
| Matches |
800-med-alert.com | jump.to | archive-3.www.regexlib.com |
| Non-Matches |
example | a-.domain.com | http://regexlib.com/ |
| Author |
Rating:
Not yet rated.
Jeff Howden
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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 |
| Matches |
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| Non-Matches |
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| Author |
Rating:
Gavin Sharp
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| Title |
Test
Details
Pattern Title
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| Expression |
^(([\w][\w\-\.]*)\.)?([\w][\w\-]+)(\.([\w][\w\.]*))?$ |
| Description |
Is used to evaluating domain names, none of the extras such as paths or protocols. |
| Matches |
zigamorph.com | www.zigamorph.com | localhost |
| Non-Matches |
http://www.zigamorph.com | ftp://zigamorph.com | localhost/default.aspx |
| Author |
Rating:
Nicholas Berardi
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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: !#$%^&amp;amp;amp;*-+~/'`|{}@xyz.com
Sorry looks like this site is mangling the quote and ampersand characters - you'll have to fix that yourself. |
| Matches |
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| Non-Matches |
./A/Wacky/ [email protected] | bob.builder@[256.1.1.1] | -"blah b. blahburger"@blah.com |
| Author |
Rating:
Not yet rated.
Roger Ramjet
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| Title |
Test
Details
Pattern Title
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| Expression |
^[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})$ |
| 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 |
| Matches |
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| Non-Matches |
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| Author |
Rating:
bilou mcgyver
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| Title |
Test
Details
Pattern Title
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| Expression |
^[a-zA-Z0-9]+([a-zA-Z0-9\-\.]+)?\.(aero|biz|com|coop|edu|gov|info|int|mil|museum|name|net|org|ac|ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|ee|eg|eh|er|es|et|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|in|io|iq|ir|is|it|je|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly| ma|mc|md|mg|mh|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|mv|mw|mx|my|mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nu|nz|om|pa|pe|pf|pg|ph|pk| pl|pm|pn|pr|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr| st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zr|zw|AERO|BIZ|COM|COOP|EDU|GOV|INFO|INT|MIL|MUSEUM|NAME|NET|ORG|AC| |
| Description |
Based of from Steward Haddock's domain nam
Checks domain names. This is an attempt to deal with some of the issues of the other reg ex in not handling leading periods(.), hypens(-). and valid extension. |
| Matches |
mydomain.com | my-domain.info | mydomain.aero |
| Non-Matches |
-mydomain.com | mydomain.aaa | .mydomain.com |
| Author |
Rating:
Sjef van Leeuwen
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