This simple regex checks if a user has input correct YYYY format.

This regex checks if a user has input 4 digit year integer.

ContentPlace Xml Tag

valida fechas de 19## a 20##, en formato yyyy-MM-dd

get lowercase letters

Covers Latin-1 Supplement Latin Extended-A Latin Extended-B Greek and Coptic

This is for the validation of number

Regex to qoute a JSON-string

Regex to quote keys to parse a string of relaxed JSON. Rules: No ':', '"' or newline in keys allowed

yyyy-mm-dd

HTTP/1.0 404 Not Found Cache-Control: no-cache Content-Type: application/json {"validation_message":'...'} ...

Example: ANDA IVANOVA-KRIVONOGOVA

Any date that as a valid month, a valid date and a year composed of 4 numbers. You can change the '-' caracter to any divider you want.