Match only with letters and numbers between x to y quantities

Match any line that starts with '[' and ends with ']'

Matches a time in either 25Hr or 12Hr format. Seconds are optional for either format.

E.g. android version name or ios bundle id validation

detect 8=D regex

IPv4 Validation to RFC 3986 found at https://tools.ietf.org/html/rfc3986#section-1.1.1.

Validation of android package names. Read more

Return XML tag where attribute value equals X

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...

Password requirements (minimum length, character groups that must exist) can be easily validated AND extended using look-aheads.

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!

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...

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.

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().

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....

This one allows to begin with a digit, however, sometimes e-mail should begin with an *English letter *

Used by CORS to check for localhost/private IP origins Check out the unit tests at /r/2Ofume/1/tests

Retorna um cpf no formato 123.456.789-11. Cpf de entrada deve conter apenas números