nl2br

The nl2br filter inserts HTML line breaks before all newlines in a string:

{{ "I like Twig.\nYou will like it too."|nl2br }}
{# outputs

    I like Twig.<br />
    You will like it too.

#}

Note

The nl2br filter pre-escapes the input before applying the transformation.

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https://twig.symfony.com/doc/2.x/filters/nl2br.html