True if user input mobile phone or email

first group matches quoted strings second group plain text, arguments are separated with a space. example: "this is a \"string\"" thisisnot "another \"string\" with a backslash \"\\"" just replace \" with " after matching.

Verifica se o texto digitado corresponde a um formato de data valida por expl. 12/31/2015 ou 2015/12/31

ReGEX EXPression generating Values but repeating want values should not repeat.

Some times we need replace de first select in a query to another. In my case i want replace to "Select top 1". With that a can replace any select to select top 1.

Validates all possible emails with western and cyrilic chars.

Simple file names. Special chars allowed (-_.) {3, 40}

match int or float number, and following word (unit for example)

This is a regular expression for date in javascript. It validates the month between 01-12 (double digits only). It validates the day between 01-31 (double digits only). And enforces 4 digit year (no validation for range).