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Which one of the following regular expression matches any string containing zero or one p?

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in PHP by (87.1k points)
Which one of the following regular expression matches any string containing zero or one p?

(a) p+

(b) p*

(c) P?

(d) p#

I got this question by my school principal while I was bunking the class.

I would like to ask this question from Strings and Regular Expressions in division Strings and Regular Expressions of PHP

1 Answer

+1 vote
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Best answer
Right choice is (c) P?

The explanation: None.

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