Just what do you mean by “number”?
John D. Cook writes:
Tom Christiansen gave an awesome answer to the question of how to match a number with a regular expression. He begins by clarifying what the reader means by “number”, then gives answers for each.
An eighteen (18) question subset of all the questions about what is meant by “number.”
The simplicity of identity is a polite veneer over boundless complexity.
Most of the time the complexity can remain hidden. Most of the time.
Other times, we are hobbled if our information systems keep us from peeking.
Peeping Tom takes us on an abbreviated tour around the identity of “number.”