Regular Expressions In Ruby - Study Mode
[#6] What does the d character class represent in a regular expression in Ruby?
Correct Answer
(D) Matches any digit character
[#7] Which metacharacter is used to specify optional characters in a regular expression in Ruby?
Correct Answer
(C) ?
[#8] What does the ^ anchor represent in a regular expression in Ruby?
Correct Answer
(B) Matches the start of a line
[#9] Which method is used to replace occurrences of a pattern in a string with a specified string in Ruby?
Correct Answer
(C) String#gsub
[#10] What does the s character class represent in a regular expression in Ruby?
Correct Answer
(D) Matches any whitespace character