semester.html

{% comment %}
    Renders the name of a single semester. Expects 'semester' as a parameter. 
{% endcomment %}

{% assign nosummer = semester | remove: "SS" %}
{% assign semesteryear = nosummer | remove: "WS" %}

<!-- string.contains doesn't work, neither does substring -->
{% if nosummer == semester  %}
    Winter
{% else %}
    Summer
{% endif %}

20{{semesteryear}}