join
Combines the items in an array into a single string using the argument as a separator.
Input
{% assign beatles = "John, Paul, George, Ringo" | split: ", " %}
{{ beatles | join: " and " }}Output
John and Paul and George and Ringo
© 2005, 2006 Tobias Luetke
Licensed under the MIT License.
https://shopify.github.io/liquid/filters/join/