This will remove all facebook urls from a HTML string

matching words between square brachets tags include newline or carriage return

Matches any IPv4 address

Its a regex expression that matches with severals allowed kinds of emails.Enjoy it.

Log: Bluecoat Event Type: Upstream Ref to Json: "Sources/Bluecoat/ipv4-2

This expression can be used for identifying if a string (such as a dialed number using a cloud based telephony service) matches one of the known North American US N11 Service Numbers. It will match if the number is in e.164 format or not, and only matches when the string begins and ends with the des...

Validates IPv4 IP Address

break the code to first opening parenthesis and then closing use the groups individually not entirely . This is 40% correct online pattern but mixing it with first open then close groups in two different matches result in 100% success

Matches with either the month or abbreviated 3 letter month name. No matching groups used