Regular Expressions 101

Checks weather a url points to a HTML5 supported video.

This will help in validating TAN as well as PAN card number

Reg exp for directory/files of pdf etc

c#

This will allow only one space after a word.And also do not start with a space.

Match YouTube URLs

Validation of email with no allow to only special char before and after @ symbol, generic validation for domain

For files with a .pub ending

Checks for valid UK/British postcodes. A modified version of MaffooBristol's pattern that prevents a non-whitespace character being entered in between the two sections of the postcode. Works in PHP/JS ...

Check if it is an Italy legit mobile number

验证邮箱

The password entered is not in correct format (minimum eight characters, at least one uppercase, one lowercase, one number, and one special character)

Matches any short date string between 1/1/2000 - 12/31/2199 in the formats: d/m/yyyy, dd/m/yyyy, d/mm/yyyy, or dd/mm/yyyy