replace token like [foo:bar:ba zz]

The file name validation algorithm from MS KB905231, I assumed the prohibited suffixes included the file extension. I.e. 'foo.doc.files' would not match but 'foo.files.doc' would.

get the file extension of a given filename

Second line of the machine readable passport, based on the excellent article here - http://www.highprogrammer.com/alan/numbers/mrp.html

поиск в тексте всех ссылок на профили пользователей вконтакте. ссылки вида [id12345678|Name]

Validate Phone number even if contain country code

Exist a problem with simple regex in JS Solution from: https://www.safaribooksonline.com/library/view/regular-expressions-cookbook/9781449327453/ch09s10.html

List of EmailAddresses optionally allowing with personal i.e. "Personal Name "

Look for date objects in JSON returned from ASP.NET Web Forms.

Só aceita emails que comecem com letras ou números, tenha de 0 a 32 caracteres, letras, números, ponto ou hífen, antes do @