Exam 70-483 topic 2 question 127 discussion

Actual exam question from Microsoft's 70-483

Question #: 127
Topic #: 2

You write the following method (line numbers are included for reference only):

You need to ensure that the method extracts a list of URLs that match the following pattern:
@http://(www\.)?([^\.]+)\.com;
Which code should you insert at line 07?

A. Option A
B. Option B
C. Option C
D. Option D

Show Suggested Answer

Suggested Answer: A 🗳️
The MatchCollection.GetEnumerator method returns an enumerator that iterates through a collection.
Note:
The MatchCollection Class represents the set of successful matches found by iteratively applying a regular expression pattern to the input string.
Reference: MatchCollection.GetEnumerator Method
https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.matchcollection.getenumerator(v=vs.110).aspx

by Mitsoshima at June 26, 2019, 1:56 p.m.

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Mitsoshima

Highly Voted 6 years ago

Correct answer is: C

upvoted 39 times

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dakuan

Highly Voted 5 years, 7 months ago

C is correct.

upvoted 14 times

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noussa

Most Recent 4 years, 5 months ago

Correct answer is C

upvoted 2 times

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SailajaT

4 years, 6 months ago

Option A returns exception. OPtion C is correct.

upvoted 2 times

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DiegoB

4 years, 10 months ago

C, tested

upvoted 6 times

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TonyBezerra

5 years, 3 months ago

I think the right answer is option C

upvoted 6 times

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sscooter1010

5 years, 4 months ago

C is correct

upvoted 8 times

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sscooter1010

5 years, 4 months ago

Option A throws this exception: System.InvalidCastException: Unable to cast object of type 'System.Text.RegularExpressions.MatchEnumerator' to type 'System.Collections.Generic.List`1[System.String]'.

upvoted 2 times

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