Ruby - Regular Expressions
How can you use regex in Ruby to replace all vowels in a string with '*'?
How can you use regex in Ruby to replace all vowels in a string with '*'?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify method to replace all matches
gsub replaces all occurrences matching regex in the string.Step 2: Use regex for vowels with case-insensitive flag
/[aeiou]/i matches all vowels regardless of case.Step 3: Combine to replace vowels with '*'
string.gsub(/[aeiou]/i, '*') replaces all vowels with '*'.Final Answer:
string.gsub(/[aeiou]/i, '*') -> Option AQuick Check:
Replace vowels = gsub with /[aeiou]/i [OK]
Quick Trick: Use gsub with /[aeiou]/i to replace all vowels [OK]
Common Mistakes:
- Using sub replaces only first match
- Using replace method incorrectly
- Trying to call replace on match object
Master "Regular Expressions" in Ruby
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