--- title: Operators --- Liquid includes many logical and comparison operators. ### Basic Operators
==
equals
!=
does not equal
>
greater than
<
less than
>=
greater than or equal to
<=
less than or equal to
or
logical or
and
logical and
For example:
{% highlight liquid %}{% raw %} {% if product.title == "Awesome Shoes" %} These shoes are awesome! {% endif %} {% endraw %}{% endhighlight %}
You can use multiple operators in a tag:
{% highlight liquid %}{% raw %} {% if product.type == "Shirt" or product.type == "Shoes" %} This is a shirt or a pair of shoes. {% endif %} {% endraw %}{% endhighlight %}
### contains `contains` checks for the presence of a substring inside a string. {% highlight liquid %}{% raw %} {% if product.title contains 'Pack' %} This product's title contains the word Pack. {% endif %} {% endraw %}{% endhighlight %} `contains` can also check for the presence of a string in an array of strings. {% highlight liquid %}{% raw %} {% if product.tags contains 'Hello' %} This product has been tagged with 'Hello'. {% endif %} {% endraw %}{% endhighlight %} `contains` is can only search strings. You cannot use it to check for an object in an array of objects.