National_Instruments
200-500 · Question #208
How many elements does the $matches array contain after the following function call is performed? preg_match('/^(\d{1,2}([a-z]+))(?:\s*)\S+ (?=200[0-9])/', '21st March 2006', $matches);
The correct answer is C. 3. See the full explanation below for the reasoning.
Question
How many elements does the $matches array contain after the following function call is performed? preg_match('/^(\d{1,2}([a-z]+))(?:\s*)\S+ (?=200[0-9])/', '21st March 2006', $matches);
Options
- A1
- B2
- C3
- D4
How the community answered
(43 responses)- A14% (6)
- B2% (1)
- C79% (34)
- D5% (2)
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