Ruby - Regular Expressions
Which of the following is the correct syntax to check if the string
"hello123" contains digits using the match operator?Which of the following is the correct syntax to check if the string "hello123" contains digits using the match operator?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify correct regex syntax
The pattern to match digits is/\d+/, which is a regex literal in Ruby.Step 2: Match operator requires regex, not string
The=~operator expects a regex on the right side, so/\d+/is correct, not a string.Final Answer:
"hello123" =~ /\d+/ -> Option AQuick Check:
Regex literal with =~ is correct [OK]
Quick Trick: Use slashes /pattern/ for regex with =~ operator [OK]
Common Mistakes:
- Using a string instead of regex on right side
- Confusing \d with \w for digits
- Missing regex delimiters
Master "Regular Expressions" in Ruby
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