The mask to apply to an input.
Creates a new regular expression that matches a single token from the mask to be replaced by the next input character.
Determines whether the given value from the input matches the specified symbol type. If it does, the input will be included in the output. Otherwise, the mask literal will be copied to the output.
The symbol to test the value against.
The value to test against the symbol.
Contains information used to format strings for display using token replacement.