Matches single or double quoted strings, and ignores backslash-escaped quotes within the string.

Usually MSWord HTML exports

Validate and capture dateTime parts, includes validation for leap years, range 1000-2999. Fixed bug

Validate and Capture (in 1000-2999 range) Leap-Year Correct

Fix the well-known Small-caps problem within the ePub reader ecosystem.

A regex to find all nowrap text occurrences and name all the groups involved in preparation for a replacement pass

This regular expression removes multi-line (star) comments from JavaScript, while leaving any CDATA sections intact. Use the global (g) modifier to match them all (if you plan to use PHP's pregreplace, the g modifier is not necessary), and use the (s) modifier to make dots match newlines (this will ...

See http://tools.ietf.org/html/rfc2045#section-5.1

to exclude one domain abc.com

matches only non-prime numbers; match length is smallest divisor