How to Remove Element from Array based on a Condition in Ruby - Step by Step Examples

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How to Remove Element from Array based on a Condition in Ruby ?

Answer

In Ruby, you can use methods like `reject` or `delete_if` to remove elements from an array based on a condition.

✐ Examples

1 Remove Odd Numbers

In this example,

We create an array `numbers` with elements including those to be removed based on the condition.
We use the `reject` method with a block to create a new array excluding odd numbers.
We print the array after filtering.

Ruby Program

numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
filtered_numbers = numbers.reject { |num| num.odd? }
puts 'Array after filtering:'
puts filtered_numbers

Output

Array after filtering:
2
4
6
8
10

2 Remove Strings Containing 'a'

In this example,

We create an array `words` with elements including those to be removed based on the condition.
We use the `reject` method with a block to create a new array excluding strings containing 'a'.
We print the array after filtering.

Ruby Program

words = ['apple', 'banana', 'grape', 'orange', 'melon']
filtered_words = words.reject { |word| word.include?('a') }
puts 'Array after filtering:'
puts filtered_words

Output

Array after filtering:
melon

Summary

In this tutorial, we learned How to Remove Element from Array based on a Condition in Ruby language with well detailed examples.

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How to Remove Element from Array based on a Condition in Ruby - Step by Step Examples

How to Remove Element from Array based on a Condition in Ruby ?

Answer

✐ Examples

1 Remove Odd Numbers

Ruby Program

Output

2 Remove Strings Containing 'a'

Ruby Program

Output

Summary

More Ruby Arrays Tutorials