Assume that the ID of an employee should start with "CBE" or "BLR" or "HYD" followed by hyphen (-) followed by 4 digits. Choose the apt regular expression that matches this text.
Answer options
A
(CBE|BLR|HYD)-\d{4}
B
(CBE|BLR|HYD)\d{4}
C
[CBE|BLR|HYD]-\d{4}
D
(CBE|BLR|HYD)-[0-9]+
Correct answer: (CBE|BLR|HYD)-\d{4}
Explanation
Quick AnswerThe correct answer is (CBE|BLR|HYD)-\d{4} because it directly addresses the core logic of Java Programming.
The regex (CBE|BLR|HYD)-\d{4} matches the required employee ID format.