validate email address

http://stackoverflow.com/questions/34474298/regex-match-pattern-with-prefixed-string/34474387#34474325

it accept -, / and . operator date formate 29-Dec-2015

This catches a few formats for dates, including the year, and seperates as much as I think at the moment is possible to make it easy to manipulate the needed data points in the expression

Extracts HTML tags, HTML entities, alphanumeric words, and the rest.

allows email, text and numbers in latin and cyrillic alaphbets.but prevents special charcters: Hello, example@mail.com Меня зовут Боб

Regex for validating us telephone number as per freecodecamp testcases-

matches href, title, innerhtml

Tests UK Postcode with alternative for Postcode Prefix

allows white spaces, -, Umlaut and ß