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| Title |
Test
Details
Pattern Title
|
| Expression |
^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])$ |
| Description |
RegExp for validating the format of IP Addresses. This works great with the ASP.NET RegularExpressionValidator server control. |
| Matches |
127.0.0.1 | 255.255.255.0 | 192.168.0.1 |
| Non-Matches |
1200.5.4.3 | abc.def.ghi.jkl | 255.foo.bar.1 |
| Author |
Rating:
G. Andrew Duthie
|
| Title |
Test
Details
Pattern Title
|
| 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. |
| Matches |
|
| Non-Matches |
|
| Author |
Rating:
David Huyck
|
| Title |
Test
Details
Pattern Title
|
| Expression |
^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$ |
| Description |
This matches an IP address, putting each number in its own group that can be retrieved by number. If you do not care about capturing the numbers, then you can make this shorter by putting everything after ^ until immediately after the first \. in a group ( ) with a {3} after it. Then put the number matching regex in once more.
It only permits numbers in the range 0-255.
|
| Matches |
0.0.0.0 | 255.255.255.02 | 192.168.0.136 |
| Non-Matches |
256.1.3.4 | 023.44.33.22 | 10.57.98.23. |
| Author |
Rating:
Andrew Polshaw
|
| Title |
Test
Details
Pattern Title
|
| Expression |
^(((((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])-(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9]))|((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9]))),)*)(((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1- |
| Description |
Matches comma-separated list of IP address and IP ranges. E.g. 192.168.101.1-192.168.101.255,192.168.102.12 |
| Matches |
192.168.101.1 | 192.168.101.1-192.168.101.255 | 192.168.101.1-192.168.101.255,192.168.102.12 |
| Non-Matches |
999.168.101.1 | 192.168.101.1- | -192.168.101.255 |
| Author |
Rating:
Gregory Entin
|
| Title |
Test
Details
Pattern Title
|
| Expression |
^(([0-2]*[0-9]+[0-9]+)\.([0-2]*[0-9]+[0-9]+)\.([0-2]*[0-9]+[0-9]+)\.([0-2]*[0-9]+[0-9]+))$ |
| Description |
Matches simple IP addresses. It's not too complex or long, but it does the job if you want something short/simple. |
| Matches |
113.173.40.255 | 171.132.248.57 | 79.93.28.178 |
| Non-Matches |
189.57.135 | 14.190.193999 | A.N.D.233 |
| Author |
Rating:
Jag fire
|
| Title |
Test
Details
Pattern Title
|
| 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: !#$%^&*-+~/'`|{}@xyz.com
Sorry looks like this site is mangling the quote and ampersand characters - you'll have to fix that yourself. |
| Matches |
|
| Non-Matches |
./A/Wacky/ [email protected] | bob.builder@[256.1.1.1] | -"blah b. blahburger"@blah.com |
| Author |
Rating:
Not yet rated.
Roger Ramjet
|
| Title |
Test
Details
Pattern Title
|
| Expression |
[0-9A-Fa-f]{2}(\.?)[0-9A-Fa-f]{2}(\.?)[0-9A-Fa-f]{2}(\.?)[0-9A-Fa-f]{2} |
| Description |
matches IP address in hex form in dotted or not dotted notation |
| Matches |
c0.a8.01.64 | 0A0275C4 | aC.10.1F.b1 |
| Non-Matches |
192.168.1.1 | 10.2.177.4 | ah.10.1f.20 |
| Author |
Rating:
Not yet rated.
David Tersigni
|
| Title |
Test
Details
Pattern Title
|
| Expression |
[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3} |
| Description |
Very Simple Match for dotted Decimal IP address. Doesn’t Validate addresses |
| Matches |
192.168.1.1 | 10.2.234.1 | 66.129.71.122 |
| Non-Matches |
192.168.1 | 10.2.1234.1 | 66 129 71 122 |
| Author |
Rating:
David Tersigni
|
| Title |
Test
Details
Pattern Title
|
| Expression |
^(?:(?:25[0-5]|2[0-4]\d|[01]\d\d|\d?\d)(?(?=\.?\d)\.)){4}$ |
| Description |
Regular expression for validating a decimal IP address. Matches 4 groups of from 1 to 3 digits, where each group of digits ranges from 0 to 255 in value. Groups of digits must be separated by a single period (.) with no other formatting characters present. Uses conditional regex with lookahead syntax to prevent a match on a period following the final group of digits. |
| Matches |
217.6.9.89 | 0.0.0.0 | 255.255.255.255 |
| Non-Matches |
256.0.0.0 | 0127.3 | 217.6.9.89. |
| Author |
Rating:
Jerry Schmersahl
|
| Title |
Test
Details
Pattern Title
|
| Expression |
^((ht|f)tp(s?))\://([0-9a-zA-Z\-]+\.)+[a-zA-Z]{2,6}(\:[0-9]+)?(/\S*)?$ |
| Description |
Simple URL Validator -- allows http, https, ftp, ftps, 2-6 letter TLD, ports, any path. Sorry, no IP addresses. Not too fussy, but then, it's not too long either ;-) |
| Matches |
http://www.site.com | https://www.secure.com:10000 | ftp://ftp.site.com/pub/files/ |
| Non-Matches |
www.site.com | https://www.site.longtld | ftp:/badformat.com |
| Author |
Rating:
Luke Arms
|
| Title |
Test
Details
Pattern Title
|
| Expression |
^(((ht|f)tp(s?))\://)?((([a-zA-Z0-9_\-]{2,}\.)+[a-zA-Z]{2,})|((?:(?:25[0-5]|2[0-4]\d|[01]\d\d|\d?\d)(?(\.?\d)\.)){4}))(:[a-zA-Z0-9]+)?(/[a-zA-Z0-9\-\._\?\,\'/\\\+&%\$#\=~]*)?$ |
| Description |
Hopefully an all-encompassing expression to validate a URL. Supports an optional protocol, either a domain or IP address, an optional port number and an optional path. |
| Matches |
this.com | https://this.com:8080/this/this.htm | ftp://255.255.255.255/ |
| Non-Matches |
.this.com | https://this.com:/ | ftps://255.256.255.255/ |
| Author |
Rating:
Tom Hartland
|
| Title |
Test
Details
Pattern Title
|
| Expression |
^(([_\w-+!#$%&'*/=?^`{}|~]+(\.[_\w-+!#$%&'*/=?^`{}|~]+)*)|("([ _\w-+!#$%&'*/=?^`{}|~]+(\.[ _\w-+!#$%&'*/=?^`{}|~]+)*)"))@[\w-]{1,63}(\\.[\w-]{1,63})*(\.[_\w-]{2,6})$ |
| Description |
Attempt to validate email addresses. Does not support name < [email protected]> format or ip addresses |
| Matches |
|
| Non-Matches |
rudy@asdfasdf-asdfasdf-asdfasdf-asdfasdf-asdfasdf-asdfasdf-asdfasdf-asdfasdf-asdfasdf-.com | bad\ema |
| Author |
Rating:
Not yet rated.
Keith Hawes
|
| Title |
Test
Details
Pattern Title
|
| Expression |
^((([a-zA-Z]:)|(\\{2}\w+)|(\\{2}(?:(?:25[0-5]|2[0-4]\d|[01]\d\d|\d?\d)(?(?=\.?\d)\.)){4}))(\\(\w[\w ]*))) |
| Description |
Regex to match valid folder paths. can be local, UNC with server name, or UNC with IP address |
| Matches |
c:\ds\dsfsdf | \\192.168.14.118\23423 | \\fsdf\23423 |
| Non-Matches |
c:\ | \\192.168.12.114 | \\fff |
| Author |
Rating:
John Conwell
|
| Title |
Test
Details
URL
|
| Expression |
^((([hH][tT][tT][pP][sS]?|[fF][tT][pP])\:\/\/)?([\w\.\-]+(\:[\w\.\&%\$\-]+)*@)?((([^\s\(\)\<\>\\\"\.\[\]\,@;:]+)(\.[^\s\(\)\<\>\\\"\.\[\]\,@;:]+)*(\.[a-zA-Z]{2,4}))|((([01]?\d{1,2}|2[0-4]\d|25[0-5])\.){3}([01]?\d{1,2}|2[0-4]\d|25[0-5])))(\b\:(6553[0-5]|655[0-2]\d|65[0-4]\d{2}|6[0-4]\d{3}|[1-5]\d{4}|[1-9]\d{0,3}|0)\b)?((\/[^\/][\w\.\,\?\'\\\/\+&%\$#\=~_\-@]*)*[^\.\,\?\"\'\(\)\[\]!;<>{}\s\x7F-\xFF])?)$ |
| Description |
Matches a URL string by: protocol,subdomain,domain,ip address,port number,path and/or filename |
| Matches |
http://regexlib.com | https://regexlib.com:80 | 66.129.120.94/Search.aspx |
| Non-Matches |
http:/regexlib.com | https://regexlib.com:65536 | 66.129.120.256/Search.aspx. |
| Author |
Rating:
Not yet rated.
Dean Dal Bozzo
|
| Title |
Test
Details
Accurate IP address verification
|
| Expression |
((0|1[0-9]{0,2}|2[0-9]?|2[0-4][0-9]|25[0-5]|[3-9][0-9]?)\.){3}(0|1[0-9]{0,2}|2[0-9]?|2[0-4][0-9]|25[0-5]|[3-9][0-9]?) |
| Description |
Accurate IP address verification...
Each numeric part of an IP address must be between 0 and 255. All patterns I have seen on the net cover this range but they allow leading zeros. The valid cases are:
* 0
* 1, 10-19 and 100-199 aka 1[0-9]{0,2}
* 2 and 20-29 aka 2[0-9]?
* 200-249 aka 2[0-4][0-9]
* 250-255 aka 25[0-5]
* 3-9 and 30-99 aka [3-9][0-9]? |
| Matches |
10.0.0.0 | 195.167.1.119 | 255.255.255.255 |
| Non-Matches |
010.0.0.0 | 195.167.01.119 | 256.20.55.23 |
| Author |
Rating:
Vassilis Petroulias
|
| Title |
Test
Details
E-Mail Address by RFC2822 and RFC1035
|
| Expression |
^([A-Za-z0-9\!\#\$\%\&\'\*\+\-\/\=\?\^\_\`\{\}\|\~]+|"([\x01-\x08\x0B\x0C\x0E-\x1F\x21\x23-\x5B\x5D-\x7F]|\\[\x0-\x7F])*")(\.([A-Za-z0-9\!\#\$\%\&\'\*\+\-\/\=\?\^\_\`\{\}\|\~]+|"([\x01-\x08\x0B\x0C\x0E-\x1F\x21\x23-\x5B\x5D-\x7F]|\\[\x0-\x7F])*"))*@([A-Za-z0-9]([A-Za-z0-9\-]*[A-Za-z0-9])?(\.[A-Za-z0-9]([A-Za-z0-9\-]*[A-Za-z0-9])?)*|(1[0-9]{0,2}|2([0-4][0-9]?|5[0-4]?|[6-9])?|[3-9][0-9]?)(\.(0|1[0-9]{0,2}|2([0-4][0-9]?|5[0-5]?|[6-9])?|[3-9][0-9]?)){2}\.(1[0-9]{0,2}|2([0-4][0-9]?|5[0-4]?|[6-9])?|[3-9][0-9]?))$ |
| Description |
This will match any valid RFC2822 e-mail address typed into web forms. If does not support comments, display name, or line folding. It does support quoted-strings in the local-part and domains by the RFC 1035 and proper ip addresses. It does relax the RFC1035 rule of not allowing numbers as the first character of a domain name (since they do exist in real life) |
| Matches |
|
| Non-Matches |
Don't know any |
| Author |
Rating:
Matthew
|
| Title |
Test
Details
Dotted Quad (Decimal)
|
| Expression |
^(([1-9]?\d|1\d\d|2[0-4]\d|25[0-5]).){3}([1-9]?\d|1\d\d|2[0-4]\d|25[0-5])$ |
| Description |
Regex for IP Address validation. |
| Matches |
0.0.0.0 255.255.255.255 192.168.1.1 |
| Non-Matches |
02.168.1.1 1234.123.123.123 256.1.1.1 |
| Author |
Rating:
Not yet rated.
John Patton
|
| Title |
Test
Details
Almost RFC2822 Compliant Email Address Check
|
| Expression |
^(?:(?#local-part)(?#quoted)"[^\"]*"|(?#non-quoted)[a-z0-9&+_-](?:\.?[a-z0-9&+_-]+)*)@(?:(?#domain)(?#domain-name)[a-z0-9](?:[a-z0-9-]*[a-z0-9])*(?:\.[a-z0-9](?:[a-z0-9-]*[a-z0-9])*)*|(?#ip)(\[)?(?:[01]?\d?\d|2[0-4]\d|25[0-5])(?:\.(?:[01]?\d?\d|2[0-4]\d|25[0-5])){3}(?(1)\]|))$ |
| Description |
Validates an RFC 2822 email address, except does not allow most punctuation and non-ascii alphanumeric characters. Also does not take length requirements into account. Allows domain name and IP addresses, but ensures that the IP address entered is valid. |
| Matches |
|
| Non-Matches |
|
| Author |
Rating:
Daniel
|
| Title |
Test
Details
IP validator
|
| Expression |
/^(?:(?:1\d?\d|[1-9]?\d|2[0-4]\d|25[0-5])\.){3}(?:1\d?\d|[1-9]?\d|2[0-4]\d|25[0-5])$/ |
| Description |
It matches an IP address only in the correct format. There was a previous regex send which matches 192.168.01.2 but this code won't match preceeding 0's |
| Matches |
192.168.1.2 | 127.0.0.1 |
| Non-Matches |
192.168.01.2 | 1921.68.1.2 |
| Author |
Rating:
snabbi
|
| Title |
Test
Details
Email - RFC 3696
|
| Expression |
^[a-z0-9!$'*+\-_]+(\.[a-z0-9!$'*+\-_]+)*@([a-z0-9]+(-+[a-z0-9]+)*\.)+([a-z]{2}|aero|arpa|biz|cat|com|coop|edu|gov|info|int|jobs|mil|mobi|museum|name|net|org|pro|travel)$ |
| Description |
Checks email format against RFC 3696 (http://tools.ietf.org/html/rfc3696). Allows all characters described in Sections 2 and 3 of the RFC EXCEPT those described in Section 4.3 as unsafe for mailto URLs without encoding. Allows any 2-letter TLD plus any of the current gTLDs as listed at http://www.icann.org/registries/top-level-domains.htm. Does not accept quoted strings in the local part or IP addresses in lieu of the domain name. Does not enforce length limits. Intended to be used as case-insensitive. Comments are appreciated! |
| Matches |
|
| Non-Matches |
|
| Author |
Rating:
Not yet rated.
David Thompson
|
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