This pattern would select the whole image tag

ICD-10-CM Diagnosis Code per https://www.cms.gov/Medicare/Coding/ICD10/downloads/ICD-10Overview.pdf

recognizes RAR archives (including splitted archives) and ZIP archives

This regular expression will match an IPv4 address as well as both compressed or uncompressed IPv6 address.

Matches CSS Length Units according to: http://www.w3schools.com/cssref/css_units.asp

This is used when removing Script Tags and their content.

Match time duration in the following formats only: 1h 30m 59m 1h 33m 11h 2m

Matches proxies in ip:port format. Takes into account that octets cant start with a 0, and that octets that are not the first octet can be a 0 if there are no more numbers behind it.

NC_000913.3 Escherichia coli str. K-12 substr. MG1655, patial genome

Matches french numbers (not special numbers like 115, 18). First matching group contains the right part without prefix (0, +33, 33, 033, or 0033).

validate an IP v4

Multiple emails seperated with comma allowed multiple dot ltds

Use to find css sizing that migh need conversion to vs or alike.

Strips all non "A-Z,a-z,0-9+-_" characters and replaces them with a single "-"

A solution for capture query params.

All real numbers can be divided into three categories: positive, negative and zero; Match all positive number Match: 2 9 ...