Regular Expression Examples
Describe The Following Sets Of Regular Expressions
{0,1,2}
{∧,ab}
{abb,a,b}
{∧,0,00,000....}
{1,11,111,1111,......}
How To Form Regular Expressions From Above Sets??
1.{0,1,2}
This Is The Set Given Containing Symbols 0,1,2
That Means It Could Contain 0 Or 1 Or 2
These Are Symbols Contained In The Set.
In Regular Expression, It Can Be Written Like This
R=0+1+2

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