match a specific method name match a quoted double value for method parameter 1 match a quoted, specific string value for method parameter 2

Potential malware/sheel signature

Get all spaces in a string

INVRPT:D:97A

Not accurate

Fax number Regx for all countries

To find hashtags. It also allows underscores (_), not sure if that is officially correct.

searches for either Copyright or copyright symbol, or the programmer's short hand of (c) (which is NOT legal, use the symbol!).

This regexp matches urls, but causes catastrophic backtrack

Parses some chemical formula

Parse the date from an Apache Error Log in the format of "Wed Jun 01 20:05:21.12345 2016"

exclude match if a word is in the url