Assuming strings of the format: "Robert's birthday is 10-22-90"
What does the following regex match?
// create a regular expression
Regex expression("J.*\d[0-35-9]-\d\d-\d\d");
A) Birthdays that occur in April and that belong to people whose names begin with "J".
B) Birthdays that belong to people whose names begin with "J".
C) Birthdays that do not occur in April and that belong to people whose names begin with "J".
D) None of the above.

Question

Quizplus · Accepted Answer

The regular expression matches strings that start with "J" (the letter "J" followed by any number of characters represented by ".*"). It then matches a digit between 0 and 3, or 5 to 9, followed by a hyphen, and then two digits and another hyphen, representing a date in the format "MM-DD-YY". Therefore, the regular expression matches birthdays that do not occur in April (since April is represented by the number 4) and belong to people whose names begin with "J".

Assuming Strings of the Format: "Robert's Birthday Is 10-22-90