split
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.
Input
{% assign beatles = "John, Paul, George, Ringo" | split: ", " %}
{% for member in beatles %}
{{ member }}
{% endfor %}
Output
John
Paul
George
Ringo
© 2005, 2006 Tobias Luetke
Licensed under the MIT License.
https://shopify.github.io/liquid/filters/split/