Regular Expressions 101

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Regular Expressions 101

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1
pcre

Version number validation

E.g. android version name or ios bundle id validation
Submitted by Paldom - 6 years ago
1
pcre

dick detector

detect 8=D regex
Submitted by anonymous - 6 years ago
1
pcre

RFC 3986 IPv4 Validation

IPv4 Validation to RFC 3986 found at https://tools.ietf.org/html/rfc3986#section-1.1.1.
Submitted by anonymous - 6 years ago
1
pcre

Android package name

Validation of android package names. Read more
Submitted by Paldom - 6 years ago
1
pcre

Return XML tag where attribute value equals X

Return XML tag where attribute value equals X
Submitted by anonymous - 6 years ago
1
pcre

Get the name of the image

This regex will be getting the name of the image source: data/products/cocacola/logo_new_version.jpg match: logo_new_version It will be returned logo_new_version on image index...
Submitted by strubloid - 6 years ago
1
javascript

Regrex email wiki

Length of email address is an industry standard, lady "The format of email addresses is local-part@domain where the local part may be up to 64 characters long and the domain may have a maximum of 255 characters[2]—but the maximum of 256-character length of a forward or reverse path restricts the ent...
Submitted by anonymous - 6 years ago
1
javascript

Extract URL, FTP, Mailto

extract url such as http, https:, ftp and mailto from a string
Submitted by Kumar Sundaram - 6 years ago
1
javascript

Months Regex

For Month Verification Works for January / Jan / Jan.
Submitted by F0123X - 6 years ago
1
pcre

Password minimum requirements

Password requirements (minimum length, character groups that must exist) can be easily validated AND extended using look-aheads.
Submitted by OnlineCop - 6 years ago
1
pcre

Floating Point number verifier and extractor with scientific notation support

The regex verifies floating point numbers in decimal or scientific notation with extensive error checking - however, there may be edge cases which i haven't addressed, so feel free to put in more unit tests!
Submitted by Tamoghna Chowdhury - 6 years ago
1
pcre

RFC-1034- and RFC-2181-compliant FQDN extractor

The specification for this regex is based upon the extracts from RFC 1034 and RFC 2181 below. It is also assumed that you are trying to extract the FQDN from a pipe-delimited string. If this is not the case then you will need to adjust the regex as necessary by either removing the pipe character o...
Submitted by 0jag - 6 years ago
1
pcre

Extract the only the Nth field from a delimited string

The aim of this regex is to extract only the Nth field from a delimited string. In the example provided the delimited is the pipe character. You will have to substitute the pipe character for whatever delimiter you are using.
Submitted by 0jag - 6 years ago
1
pcre

Remove Markdown Links

no description available
Submitted by anonymous - 6 years ago
1
pcre

Make PHP var_dump() output more compact

The PHP function var_dump() provides debugging output, but has more line-breaks than is needed for readability. This regex strips out the (in my eyes) unnecessary line-breaks. Good in a self written debugging method in combination with ob_start()and ob_get_contents().
Submitted by Doqnach - 6 years ago
1
pcre

URL Slugs Optimized

This slug regex is optimized using strictly my own opinions. Slugs: Should be english, alphanumeric phrases separated with a single dash. Should not contain single alpha character between dashes....
Submitted by Jordon Baade - 6 years ago
1
pcre

A revised e-mail validation regular expression

This one allows to begin with a digit, however, sometimes e-mail should begin with an *English letter *
Submitted by anonymous - 6 years ago
1
javascript

Date checker for X values

Work in progress
Submitted by anonymous - 6 years ago
1
pcre

Youtube ID Extractor

no description available
Submitted by anonymous - 6 years ago
1
javascript

Phone numbers and/or extensions(relaxed)

Useful for phone number extraction
Submitted by hslayer - 6 years ago
1...582583584585586587588...636

match sql identifiers but not functions

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1

Regular Expression
pcre

/
(\w+\((?:[^)(]+|(?R))*\))|(?:(\b[a-zA-Z_](?:[\w\-_.]+\.?))(?=[\s<>=!)]|$))
/
gi
Open regex in editor

Description

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Submitted by ikkez - 7 years ago