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20 lines
541 B
Markdown
20 lines
541 B
Markdown
# Encode A String As URL-safe Base64
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Ruby's standard lib comes with a [Base64
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module](https://ruby-doc.org/stdlib-2.1.4/libdoc/base64/rdoc/Base64.html)
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with a number of utilities for encoding and decoding data as
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[Base64](https://en.wikipedia.org/wiki/Base64). One of the methods it
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provides is `urlsafe_encode64`.
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```ruby
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> require 'base64'
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true
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> Base64.urlsafe_encode64('hello')
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"aGVsbG8="
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> Base64.urlsafe_encode64('1')
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"MQ=="
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```
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You can pass it any string and it will create a URL-safe Base64 encoded
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representation of that string.
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