Ruby - String Operations
What will be the output of this Ruby code?
text = "123-456-789"
result = text.gsub('-', ':')
puts resultWhat will be the output of this Ruby code?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand gsub behavior
gsubreplaces all occurrences of the pattern, here '-' with ':'.Step 2: Replace all dashes with colons
All '-' characters become ':', resulting in "123:456:789".Final Answer:
123:456:789 -> Option AQuick Check:
gsub replaces all matches = A [OK]
Quick Trick: gsub replaces every match, not just the first [OK]
Common Mistakes:
MISTAKES- Expecting only first dash replaced
- Confusing gsub with sub
- Removing dashes instead of replacing
Master "String Operations" in Ruby
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