Question 1

Which of the character classes can be used to match any lowercase letter?

Accepted Answer

A)  /[abcdefghijklmnopqrstuvwxyz]/ 
B)  /[ABCDEFGHIJKLMNOPQRSTUVWXYZ]/ 
C)  /[A - Z]/ 
D)  /abcdefghijklmnopqrstuvwxyz/ 
A)  /[abcdefghijklmnopqrstuvwxyz]/ 
B)  /[ABCDEFGHIJKLMNOPQRSTUVWXYZ]/ 
C)  /[A - Z]/ 
D)  /abcdefghijklmnopqrstuvwxyz/

Question 2

In regular expressions, every character inside a pattern is taken literally, with the exception of metacharacters, which are assigned a special meaning.

Accepted Answer

A) True 
 B)False

Question 3

The + metacharacter modifier is used to set up pattern matches of one or more instances of the preceding character.

Accepted Answer

A) True 
 B)False

Question 4

By default, regular expressions perform case sensitive searches. You can override this behavior sing the ____ modifier?

Accepted Answer

A)  a 
B)  e 
C)  i 
D)  o 
A)  a 
B)  e 
C)  i 
D)  o

Question 5

The ____ metacharacter modifier is used to search a string for one or zero instances of a character in the preceding characters.

Accepted Answer

A)  @ 
B)  $ 
C)  (?) 
D)  * 
A)  @ 
B)  $ 
C)  (?) 
D)  *

Question 6

You can disable case-sensitivity using the optional /c modifier as demonstrated here: /USA/c

Accepted Answer

A) True 
 B)False

Question 7

Which of the following regular expression metacharacters matches any non-numeric character?

Accepted Answer

A)  \d 
B)  \D 
C)  \s 
D)  \S 
A)  \d 
B)  \D 
C)  \s 
D)  \S

Question 8

Which of the following character classes can be used to match a complete list of vowels?

Accepted Answer

A)  /aeiou/ 
B)  /uoiea/ 
C)  /a - o/ 
D)  None of the above 
A)  /aeiou/ 
B)  /uoiea/ 
C)  /a - o/ 
D)  None of the above

Question 9

The ____ metacharacter modifier is used to search a string for zero or more instances of a character.

Accepted Answer

A)  @ 
B)  $ 
C)  (?) 
D)  * 
A)  @ 
B)  $ 
C)  (?) 
D)  *

Question 10

Which of the following regular expression metacharacters matches any one character?

Accepted Answer

A)  . 
B)  ^ 
C)  $ 
D)  \w 
A)  . 
B)  ^ 
C)  $ 
D)  \w

Which of the character classes can be used to match any lowercase letter?

In regular expressions, every character inside a pattern is taken literally, with the exception of metacharacters, which are assigned a special meaning.

The + metacharacter modifier is used to set up pattern matches of one or more instances of the preceding character.

By default, regular expressions perform case sensitive searches. You can override this behavior sing the ____ modifier?

The ____ metacharacter modifier is used to search a string for one or zero instances of a character in the preceding characters.

You can disable case-sensitivity using the optional /c modifier as demonstrated here: /USA/c

Which of the following regular expression metacharacters matches any non-numeric character?

Which of the following character classes can be used to match a complete list of vowels?

The ____ metacharacter modifier is used to search a string for zero or more instances of a character.

Which of the following regular expression metacharacters matches any one character?

Ruby Basics

Interacting With Ruby

Working With Strings, Objects, and Variables

Implementing Conditional Logic

Working With Loops

Working With Collections of Data

Object-Oriented Programming

File and Folder Administration

Debugging

Ruby on Rails Web Development

Filters

Exam 7: Working With Regular Expressions

Which of the character classes can be used to match any lowercase letter?

In regular expressions, every character inside a pattern is taken literally, with the exception of metacharacters, which are assigned a special meaning.

The + metacharacter modifier is used to set up pattern matches of one or more instances of the preceding character.

By default, regular expressions perform case sensitive searches. You can override this behavior sing the ____ modifier?

The ____ metacharacter modifier is used to search a string for one or zero instances of a character in the preceding characters.

You can disable case-sensitivity using the optional /c modifier as demonstrated here: /USA/c

Which of the following regular expression metacharacters matches any non-numeric character?

Which of the following character classes can be used to match a complete list of vowels?

The ____ metacharacter modifier is used to search a string for zero or more instances of a character.

Which of the following regular expression metacharacters matches any one character?

Ruby Basics

Interacting With Ruby

Working With Strings, Objects, and Variables

Implementing Conditional Logic

Working With Loops

Working With Collections of Data

Object-Oriented Programming

File and Folder Administration

Debugging

Ruby on Rails Web Development

Filters