Question 1 of 25
Hints left: 3
Q1
Which method is used to find the next subsequence that matches the pattern in a regular expression in Java?
Q2
In a regular expression, what does the metacharacter `*` represent?
Q3
In a regular expression, what does the metacharacter `.` represent?
Q4
Which class is used to represent a group of characters in a regular expression in Java?
Q5
What does the character class `[A-Za-z]` match in a regular expression?
Q6
What does the character class `[A-Z]` match in a regular expression?
Q7
In a regular expression, what does the metacharacter `Q` represent?
Q8
In a regular expression, what does the metacharacter `d` represent?
Q9
Which class is used to represent a compiled regular expression in Java?
Q10
Which method is used to replace text that matches a regular expression in Java?
Q11
In a regular expression, what does the metacharacter `w` represent?
Q12
Which quantifier is used in a regular expression to match one or more occurrences of the preceding character or group?
Q13
In a regular expression, what does the metacharacter `b` represent?
Q14
What is the purpose of the `matches()` method in Java regular expressions?
Q15
What is the purpose of the `quote()` method in Java regular expressions?
Q16
Which method is used to split a string using a regular expression in Java?
Q17
In a regular expression, what does the metacharacter `|` represent?
Q18
In a regular expression, what does the metacharacter `$` represent when used at the end of a pattern?
Q19
In a regular expression, what does the metacharacter `?` represent?
Q20
What is the purpose of the `group()` method in Java regular expressions?
Q21
What does the character class `[0-9]` match in a regular expression?
Q22
Which method is used to append replacement text in a Java regular expression operation?
Q23
Which class is used to perform matching operations with regular expressions in Java?
Q24
In a regular expression, what does the metacharacter `s` represent?
Q25
In a regular expression, what does the metacharacter `^` represent when used at the beginning of a pattern?