Absolutely nothing.
Regular expression is built in and the regular definition has to build from regular expression........
PFFT is the expression of dismisal
a sausage a sausage a sausage a sausage a sausage a sausage a sausage a sausage
An expression of sympathy, esp. on the occasion of a death.
howzit
A simplified expression!
Radicand
Yes. That is the definition of an algebraic expression.
Successful by an easy margin.
A person's facial feautures or expression.
Not really.For example: x can be considered and algebraic expression by itself, however it is only a single variable, so by definition it is not a polynomial expression (multiple-number expression).
an other expression for a unknown number an other expression for a unknown number