Match on VALID IP address anywhere in string.

Match on a phone number in ANY standard phone number format.

SIREN for french business register number

Business register number for France SIRET

French association register number RNA

This regex matches up with the word rape, even if accent marks are used.

Matches all img tags that have a URL for the src attribute. Useful for updating all those links in your email templates, or where ever your using the \ tag

Allowed URL patterns for Meetup.com events

For this task, I did not need inet6 (IPv6 stuff), so I left it out. The regex in its current state does not allow for that to be included without manually adding the entire second part

SELECT * FROM wp_users WHERE user_login = 'username'

This regex can capture any column name from a select query. Be the original name, like are named on table, renamed with a reserved word AS or even without explicit AS. Go on, and test with your query ;)

This Regexp here has probably been done a ton of times, but I kind of figured one out here, so I decided to post it anyways. It may or may not be a duplicate, but this also will ignore any strings that a JSON entry may have so that it knows not to detect something if a value contains text like "som...

Matches a decimal, but only allows for leading/tailing Zeros if they are the first digit to precede or follow the decimal point