Mention The Various Notational Short Hands For Representing Regular E

1.	Mention The Various Notational Short Hands For Representing Regular Expressions.
Answer» One or more instances (+) Zero or one instance (?) Character CLASSES ([ABC] where a,b,C are ALPHABET symbols DENOTES the regular expressions a \| b \| c.) Non regular sets

Mention The Various Notational Short Hands For Representing Regular Expressions.

Answer»

One or more instances (+)
Zero or one instance (?)
Character CLASSES ([ABC] where a,b,C are ALPHABET symbols DENOTES the regular expressions a | b | c.)
Non regular sets