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
Explanation:
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.
MatchCollection.GetEnumerator Method
https://msdn.microsoft.com/enus/library/system.text.regularexpressions.matchcollection.getenumerator(v=vs.110).aspx
Correct is C
2
0
A
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1
correct is C
A is failing with an error “unable to cast”
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I did not get any cast compile time error:
MatchCollection match = Regex.Matches(“”, “”);
List result =(List) match.GetEnumerator();
Answer should be A
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Is not a compile time error, but a Runtime error. Because the GetEnumerator returns a List, not a List.
Correct is C
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C
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C JAK CIPSKO
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error message when use A answer
Unable to cast object of type ‘System.Text.RegularExpressions.MatchEnumerator’ to type ‘System.Collections.Generic.List`1[System.String]’.
so correct answer is C
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yeah, that’s right.
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A wants a non generic collection. a generic collection is returned so u get a compilation error.
C
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0