Definitions for "Validator"
a computer program that checks the HTML of a Web page to ensure that the syntax of the HTML is correct
a control that checks one input control for a specific type of error condition and displays a description of that problem
an implementation class that checks an input value and sends an error message if the input is invalid
Keywords:  metcard, stony, trams, buses, railway
The machine into which Metcard tickets are inserted to make them valid. Exist on buses, trams, railway stations and the Stony Point train.
Keywords:  reentrant, unsafe, thread, non, object
a thread-unsafe and non-reentrant object
a convenience, a helpful reminder
a callable that raises a ValidationError if there's something wrong with the data
Software that provides access to NAF and authorized subject headings.
a signal from the batter back to the coach which tells the coach that the batter understands the signal
From Hypertext Transfer Protocol -- HTTP/1.1 ( 1999-06-15) A protocol element (e.g., an entity tag or a Last-Modified time) that is used to find out whether a cache entry is an equivalent copy of an entity.
Keywords:  chain, value
A user assigned to a performance target validation task.
The mechanism in which paper currency is collected and accounted.
a service that verifies the internal consistency of a Web document
Keywords:  granting, end, credit, back, program
a back-end program that does validation and credit-granting