Registers the "HTML.Input.REGEX"-Functionality which require the value of HTMLInputElement to comply
to the provided RegExp - "expression".
Config Parameter:
Expression: The RegExp - string the value of "toProcess" has to comply to.
Use ° instead of ^ to mark the beginning of the input string or a negation (optional).
KeyExpression: The RegExp - string the individual keystrokes have to comply to.
Flags: The RegExp - flags string used to create the "expression" (defaults to "g").
KeyFlags: The RegExp - flags string used to create the "keyexpression" (defaults to "g").
ErrorPrefix: The first part of the error message string displayed prior to the "expression".
ErrorPostfix: The final part of the error message string displayed after to the "expression".
ExposeExpression: Will expose the "expression" within the errormessage if set to TRUE (case insensitive).
Provides the HTML_Input_REGEX.functionality.
Remarks
Initial Author: Callari, Salvatore (Callari@WaXCode.net) Maintainer: Callari, Salvatore (Callari@WaXCode.net)