Regular Expressions In Ruby MCQs with Explanations

Matches a string against a regular expression is the correct answer to “What does the =~ operator do in Ruby when used with regular expressions”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

String#match is the correct answer to “Which method is used to find the first occurrence of a pattern in a string in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

Matches the start of a string is the correct answer to “What does the /\A anchor represent in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

Matches one or more occurrences of the preceding character is the correct answer to “What is the purpose of the + quantifier in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

i is the correct answer to “Which modifier is used to perform case-insensitive matching in Ruby regular expressions”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

Matches any digit character is the correct answer to “What does the \d character class represent in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

? is the correct answer to “Which metacharacter is used to specify optional characters in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

Matches the start of a line is the correct answer to “What does the ^ anchor represent in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

String#gsub is the correct answer to “Which method is used to replace occurrences of a pattern in a string with a specified string in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

Matches any whitespace character is the correct answer to “What does the \s character class represent in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

m is the correct answer to “Which modifier is used to perform multiline matching in Ruby regular expressions”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

Matches a word boundary is the correct answer to “What does the \b anchor represent in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

Matches any word character is the correct answer to “What does the \w character class represent in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

String#scan is the correct answer to “Which method is used to extract all occurrences of a pattern in a string in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

[] is the correct answer to “Which metacharacter is used to specify character ranges in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

g is the correct answer to “Which modifier is used to perform global matching in Ruby regular expressions”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

Matches the point where the last match ended is the correct answer to “What is the purpose of the \G anchor in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

() is the correct answer to “Which metacharacter is used to specify grouping in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

s is the correct answer to “Which modifier is used to perform single-line matching in Ruby regular expressions”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

Positive lookbehind assertion is the correct answer to “What does the (?<=...) construct represent in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

String#split is the correct answer to “Which method is used to split a string into substrings based on a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.

^ is the correct answer to “Which metacharacter is used to specify the beginning of a line in a regular expression in Ruby”. This question is standard in competitive examination syllabi for Regular Expressions In Ruby.