# Operators

**Arithmetic Operators:**

* \+ (addition)
* \- (subtraction)
* \* (multiplication)
* / (division)
* % (modulus)
* \*\* (pow)

**Bitwise Operators**

* & (and)
* \| (or)
* ^ (xor)

**Comparison Operators**

* \== (equal)
* \=== (identical)
* != (not equal)
* !== (not identical)
* < (less than)
* \> (greater than)
* <= (less than or equal to)
* \>= (greater than or equal to)
* matches (regex match)
* contains
* starts with
* ends with

**Logical Operators**

* ! (not or)
* && (and or)
* || (or or)

**String Operators**

* \~ (concatenation)

**Array Operators**

* in (contain)
* not in (does not contain)

**Numeric Operators**

* .. (range)

**Ternary Operators**

* foo ? 'yes' : 'no'
* foo ?: 'no' (equal to foo ? foo : 'no')
* foo ? 'yes' (equal to foo ? 'yes' : '')<br>

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To find out more, please refer to the articles below:

{% content-ref url="expression-examples" %}
[expression-examples](https://help.openloyalty.io/main-features/expressions/expression-examples)
{% endcontent-ref %}

{% content-ref url="sample-use-cases" %}
[sample-use-cases](https://help.openloyalty.io/main-features/expressions/sample-use-cases)
{% endcontent-ref %}