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Which capturing group can represent the entire expression?

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Which capturing group can represent the entire expression? (a) group * (b) group 0 (c) group * or group 0 (d) None of the mentioned This question was addressed to me in unit test. My enquiry is from Regular Expression in portion Regular Expressions of Java Select the correct answer from above options JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

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Correct option is (b) group 0 The best explanation: Group 0 is a special group which represents the entire expression.

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