Ruby - Regular Expressions
Which of the following is the correct syntax for a regex literal that matches the word "hello" in Ruby?
Which of the following is the correct syntax for a regex literal that matches the word "hello" in Ruby?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify correct regex literal syntax
Regex literals in Ruby are enclosed between forward slashes, e.g.,/pattern/.Step 2: Evaluate options
/hello/ correctly uses/hello/. "/hello/" is a string containing regex literal, not a regex. /'hello'/ includes quotes inside regex which matches quotes literally. /hello is missing the closing slash.Final Answer:
/hello/ -> Option CQuick Check:
Regex literal syntax = /pattern/ [OK]
Quick Trick: Regex literals must start and end with slashes /pattern/ [OK]
Common Mistakes:
- Using quotes around regex literal
- Omitting closing slash
- Including quotes inside regex unintentionally
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