You're seeing just the function split, go back to Liquex.Filter module for more information.
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split(value, separator, _)

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Divides a string into an array using the argument as a separator. split is commonly used to convert comma-separated items from a string to an array.


iex> Liquex.Filter.split("John, Paul, George, Ringo", ", ", %{})
["John", "Paul", "George", "Ringo"]