Capture alternative items matching end of lines country codes

This regular expression splits an address line like for example "1117 Franklin Blvd" into the street name and house number. It also supports addresses where street name and house number are the other way around (e.g. "Mustermannstr. 1"). Furthermore, this regular expression also supports address li...

Matches all valid, current UK Postcodes, including Girobank and non-geographic postcodes, irrespective of whether they contain a space. It does not include overseas territories. Adapted from the BS7666 postcode rules at http://www.cabinetoffice.gov.uk/govtalk/schemasstandards/e-gif/datastandards/add...

Grep the daily purchase price for 250 g gold from http://www.scheideanstalt.de/aktuelle-ankaufskurse/ankaufskurse-barren/: gold=$(wget -q -O- http://www.scheideanstalt.de/aktuelle-ankaufskurse/ankaufskurse-barren/ | grep "250 g" | sed -r 's/^.250 g]>([0-9]+)\.([0-9]+[0-9]+[0-9]+)\,([0-9]+[0-9]+).*$...

If needed to test entered website

Matches integers and decimals with or without thousands grouping.

match bibtex entries

This regex matches java line end comments started with "//" and ignores such ones that are within String literals. (NO SUFFICIENT TESTING WAS DONE TO GUARANTEE 100% SAFETY)

Looks for string formated like an IP address.

email validation based on the restrictions for entering email adresses into a mongo db email field.

Validates all possible international phone number formats. Icludes almoust all of the international call prefixes, all of the differing lenghts of country codes. The parts of number will always be recognised correctly. Additionally you could add limitations of the phone number's lenght

The given regex matches the IPV4 address of given ip address string.

Matches the following format of US address: Street, City, State|State Code, Zip Example: 765757 North Nevada Avenue, Colorado Springs, CO, 80918

Matches all ips that points to localhost like, optionally capturing port number: 127.X.X.X and 127.X.X.X: