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PHP · Q9

Regular Expressions

Programming · PHP · question 9

Q9

Which of the following would be a potential match for the Perl-based regular expression /fo2,4/ ? 1. fol 2. fool 3. fooool 4. fooooool

A.
Only 1
B.
2 and 3
Answer
C.
1, 3 and 4
D.
1 and 4

Answer: Option B

Solution

Answer: Option B
Solution:
This matches f followed by two to four occurrences of o.