Tag Archives: backtracking

Backtracking with Perl Regular expression

Wikipedia says Backtracking is a general algorithm for finding all (or some) solutions to some computational problem, that incrementally builds candidates to the solutions, and abandons each partial candidate c (“backtracks”) as soon as it determines that  cannot possibly be completed to a valid solution. What it meant for Perl: In fact Backtracking mechanism is core functionality of… Read More »