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Editorial Team
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Asked: 2026-05-31T03:05:31+00:00

Is it possible to concatenate Array [‘a’, ‘b’, ‘c’] to String a, b and

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Is it possible to concatenate Array ['a', 'b', 'c'] to String "a, b and c" ?
But ['a', 'b'] should transform to "a and b".

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1 Answer

  1. Editorial Team

    Rails provides a to_sentence helper:

    > ['a', 'b'].to_sentence
 => "a and b" 
> ['a', 'b', 'c'].to_sentence
 => "a, b, and c"

    If you want a, b and c rather than a, b, and c you can change the last_word_connector:

    > ['a', 'b', 'c'].to_sentence(last_word_connector: " and ")
 => "a, b and c"
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