allows white spaces, -, Umlaut and ß

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

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

Accepts only integer or Flating values upto 3 decimals. To accept n decimals change (1,n)

ContentPlace Xml Tag

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

get lowercase letters

Match any alphanumeric string in any language. White spaces are allowed. (Usefull for ECMAScript 5)

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