You want to extract the first word starting with a capital letter from the string "today is a Sunny day" using match. Which code correctly does this and prints the matched word?

hard📝 Application Q15 of 15

Ruby - Regular Expressions

You want to extract the first word starting with a capital letter from the string "today is a Sunny day" using match. Which code correctly does this and prints the matched word?

Aputs "today is a Sunny day".match(/[A-Z]+/)[0]

Bputs "today is a Sunny day".match(/[a-z]\w*/)[0]

Cputs "today is a Sunny day".match(/\b\w+/)[0]

Dputs "today is a Sunny day".match(/[A-Z]\w*/)[0]

Step-by-Step Solution

Solution:

Step 1: Understand the regex requirements
We want the first word starting with a capital letter. Pattern /[A-Z]\w*/ matches a capital letter followed by zero or more word characters.
Step 2: Analyze each option
puts "today is a Sunny day".match(/[A-Z]\w*/)[0] matches correctly and returns the first capitalized word "Sunny". puts "today is a Sunny day".match(/[a-z]\w*/)[0] matches lowercase start, first is "today", wrong. puts "today is a Sunny day".match(/\b\w+/)[0] matches any word, first is "today", not capitalized. puts "today is a Sunny day".match(/[A-Z]+/)[0] matches only consecutive capital letters, first is "S", not full word.
Final Answer:
puts "today is a Sunny day".match(/[A-Z]\w*/)[0] -> Option D
Quick Check:
Capitalized word match = puts "today is a Sunny day".match(/[A-Z]\w*/)[0] [OK]

Quick Trick: Use regex starting with [A-Z] and access [0] from match [OK]

Common Mistakes:

Using lowercase letter class instead of uppercase
Matching only letters without full word
Not accessing matched text with [0]

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You want to extract the first word starting with a capital letter from the string "today is a Sunny day" using match. Which code correctly does this and prints the matched word?

Step 1: Understand the regex requirements

Step 2: Analyze each option

Final Answer:

Quick Check:

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