What is Lexema?

 Lexema : A lexema is a sequence of characters in the source program that is matched by the pattern for a token.

Example : For Pascal statement - 

Cons pi = 3.1416;

Here, the sub-string pi is a lexema for the token "identifier."

If You want to learn about the technology, computer science & engineering, web programming, freelancing, earning please click here :CSE SOLVE