[Solved] What does the Ruby method gsub do when used with a regular expression? — Ans: It replaces all parts of the string that match the regex with a specified... | Ruby

Ruby - Regular Expressions

What does the Ruby method gsub do when used with a regular expression?

AIt returns the length of the string.

BIt replaces all parts of the string that match the regex with a specified replacement.

CIt deletes the string entirely.

DIt splits the string into an array based on the regex.

Step-by-Step Solution

Solution:

Step 1: Understand gsub purpose
The gsub method is used to replace parts of a string that match a pattern.
Step 2: Recognize regex usage
When used with a regex, it finds all matches and replaces them with the given replacement string.
Final Answer:
It replaces all parts of the string that match the regex with a specified replacement. -> Option B
Quick Check:
gsub with regex = replace all matches [OK]

Quick Trick: Remember: gsub replaces all regex matches in the string [OK]

Common Mistakes:

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