Answer:
([pP]ork|[lL]amb])chops?
([pP]orkchops?)|([lL]amb]chops?)
Browser Note: the subexpression [lL] is a lower 'l' followed by an uppercase 'L'
enclosed in brackets.
This is hard to see in some web browsers.
([pP]ork|[lL]amb])chops?
([pP]orkchops?)|([lL]amb]chops?)
Browser Note: the subexpression [lL] is a lower 'l' followed by an uppercase 'L'
enclosed in brackets.
This is hard to see in some web browsers.
A subexpression placed in parentheses in a regular expression
corresponds to a group of connected states in an automaton.
If the parenthesized subexpression is followed by a star or plus,
then there is a transition in the automaton that loops back to
a previous state of the group.
The above automaton corresponds to the
regular expression ([A-C][0-3][D-F])+
Is the string A3DB0F accepted by the automaton?