Visa, MasterCard, American Express, Diners Club, Discover, JCB

Working on this regex so that I can use it to parse regular expressions and get the group info from them

words

Necessary because of Bug in Web-Interface

Takes a JSON string and captures interesting information in the named capturing groups: (o: last object, a: last array, s: last string, n: last number, c: last comma before optional whitespace, d: same as c, but with a colon instead of a comma, v: last value)

Validates IPv4 IP Address

Matches email with groups for username and domain.

I've looked at some of the other IP matching that seems a lot more complex but several of them don't work, and I'm too simple minded to figure out why. Keep it simple, I've never had a problem matching IP addresses in logs with this one.

Validates input to match UK Date Time standard

matches the exact fields of CSV files supports: qouted fields quoted fields containing commas, doubble quoutes, and newlines empty fields empty records arbitrary white space in, and outside quoted fields