How to slugify a string in Ruby on Rails
Aug 25, 25 / 87 comments
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#Ruby on Rails
Slugifying a string in Ruby on Rails is very easy to do. Here's a few examples on how to do it.
1. Using Rails' parameterize method (I recommend this)
string = "Hello Stein! This is a Test"
slug = string.parameterize
# => "hello-stein-this-is-a-test"
# You can use custom separators
slug = string.parameterize(separator: '_')
# => "hello_stein_this_is_a_test"2. Using parameterize with locale support
string = "Café & Restaurant"
slug = string.parameterize
# => "cafe-restaurant"
# Preserve unicode characters
slug = string.parameterize(preserve_case: true)
# => "Cafe-Restaurant"3. For model attributes (Often used
class Article < ApplicationRecord
validates :slug, presence: true, uniqueness: true
before_validation :generate_slug, if: :title_changed?
private
def generate_slug
self.slug = title.parameterize if title.present?
end
end4. Custom slugify method
Or if you want to make your own method to be more in control.
def slugify(string)
string.downcase
.strip
.gsub(/[^\w\s-]/, '') # Remove non-word characters except spaces and hyphens
.gsub(/\s+/, '-') # Replace spaces with hyphens
.gsub(/-+/, '-') # Replace multiple hyphens with single hyphen
.gsub(/^-|-$/, '') # Remove leading/trailing hyphens
end
slug = slugify("Hello World! This is a Test")
# => "hello-world-this-is-a-test"Summary
So, that was 4 different ways to make slugs from strings in Ruby on Rails. What's your preferred way to do this?
Comments
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