The regular expression have all strings in which any number of 0's is followed by any number of 1's followed by any number of 2's is :
A)(0+1+2)*
B)0*1*2*
C)0* + 1 + 2
D)(0+1)*2*

Question

Quizplus · Accepted Answer

The correct regular expression is 0*1*2* because it allows for any number of 0's (including none) followed by any number of 1's (including none), and then any number of 2's (including none), exactly matching the description.

The Regular Expression Have All Strings in Which Any Number