Regular Expressions 101

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Community Patterns

3

How do I write a Regex to inspect Cisco Interfaces

PCRE (PHP <7.3)
I am asking for help in writing a regular expression to shorten this expression. I need the string below to search every interface within the range of 1 -24 to validate the configuration. If one interface does not have the required configuration then the expression fails. interface GigabitEtherne...
Submitted by Pirates - 9 years ago
3

images url match in text

PCRE (PHP <7.3)
no description available
Submitted by Redfern.89 - 9 years ago
3

Div content

PCRE (PHP <7.3)
no description available
Submitted by mohammadsaleh - 9 years ago
3

Validate Base64 with new lines (e.g. GPG base64 messages)

PCRE (PHP <7.3)
This regular expression validates if given string is formatted in Base64, additional it accepts new lines, since payload can have new lines in it.
Submitted by wpodgorski - 9 years ago
3

Select all number greater than 36

PCRE (PHP <7.3)
no description available
Submitted by Mansoor - 9 years ago
3

Extract All Steam Keys

PCRE (PHP <7.3)
Extract all Steam Keys from a Given String
Submitted by Ashesh Kumar - 9 years ago
3

apache access log

PCRE (PHP <7.3)
parse the apache access log
Submitted by pagu - 9 years ago
3

Match a valid IPv4 or IPv6 address

PCRE (PHP <7.3)
This regular expression will match an IPv4 address as well as both compressed or uncompressed IPv6 address.
Submitted by Tom Groeneveld, SevOne.com - 9 years ago
3

french phone number + match right part

PCRE (PHP <7.3)
Matches french numbers (not special numbers like 115, 18). First matching group contains the right part without prefix (0, +33, 33, 033, or 0033).
Submitted by xdrm-brackets - 8 years ago
3

JSON recognition

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
3

strong password validation

PCRE (PHP <7.3)
This regex matches only when all the following are true: password has minimum 2 uppercase letters password has minimum 2 lowercase letters password has minimum 2 numerals (0-9) password has minimum 2 special characters, of the group !@#$%^&*()-_=+{};:, password has no more than 2 consecutive identic...
Submitted by anonymous - 7 years ago
4

utf-8 hex.

PCRE (PHP <7.3)
utf-8 hex. code armenian. Firs character regexp
Submitted by Dyxx - 10 years ago
4

Mask credit card

PCRE (PHP <7.3)
no description available
Submitted by Albert Paris - 9 years ago
4

Get stuff inside <a> tags

PCRE (PHP <7.3)
Get stuff inside tags, which are between certain words
Submitted by Jerry - 11 years ago
4

Strip multi-line (star) comments from JavaScript, while leaving any CDATA sections intact.

PCRE (PHP <7.3)
This regular expression removes multi-line (star) comments from JavaScript, while leaving any CDATA sections intact. Use the global (g) modifier to match them all (if you plan to use PHP's preg_replace, the g modifier is not necessary), and use the (s) modifier to make dots match newlines (this will...
Submitted by Dane MacMillan - 12 years ago
4

Strip out domain extensions except for Microsoft .net technologies.

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 12 years ago
4

YouTube Grabber Cleanup

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
4

html tags

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
4

Credit Card Number

PCRE (PHP <7.3)
Validates Credit Card Numbers of different type. Supports Visa, MasterCard, American Express, Diners Club, Discover and JCB Taken from http://www.regular-expressions.info/creditcard.html If you want to support only a particular type, customise it based on following....
Submitted by Ehsan - 9 years ago
0

URL matching

PCRE (PHP <7.3)
Complete url matching with storage of various parameters
Submitted by hjpotter92 - 10 years ago
1...470471472473474...481

Community Library Entry

3

Regular Expression
PCRE (PHP <7.3)

/
(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) - - \[(\d{2}\/[a-zA-Z]{3}\/\d{4}:\d{2}:\d{2}:\d{2} (\+|\-)\d{4})\] ((\"(GET|POST|HEAD|OPTIONS) )(.+)(HTTP\/1\.(1|0)")) (\d{3}) (\d+) (["]((\-)|(.+))["]) (["](.+)["])
/
Open regex in editor

Description

parse the apache access log

Submitted by pagu - 9 years ago