What is the purpose of backslashes () in regular expressions?
Interviewer Expectations for this Question
01
Core Competency
Assesses fundamental understanding of JavaScript conventions, runtime behavior, and memory/performance considerations.
02
Evaluation Criteria
Hiring managers look for precision, avoidance of ambiguous jargon, and ability to explain trade-offs under real production conditions.
Comprehensive Model Answer
Verified Solution
Backslashes () are used in regular expressions to indicate that the following character has a special meaning. For example, the regular expression "\d" matches any digit character, while the regular expression "\s" matches any whitespace character. If you want to match a literal backslash character, you need to escape it by using two backslashes (\).
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