Regular Expression

The Regular Expression node allows you to match variables to a regular expression pattern and define what action comes next (either route the customer to a new step in the workflow or trigger a new workflow).

Setup of a Regular Expression node

Examples:

Below are examples of commonly-used regular expressions:

Regular Expression	Description
((19|20)\\d\\d)-(0?[1-9]|[12][0-9]|3[01])	Evaluates that an input is in the date format yyyy-mm-dd
^[a-zA-Z0-0]{4,16}$	Evaluates that an input is alphanumeric with a minimum of 4 and a maximum of 16 characters in length (e.g. a user name)
[0-9]{4}	Evaluates that an input is a 4-digit numeric code
[1|2]{1}	Evaluates that an input is either 1 or 2

For more information on regular expressions, see the links below:

• https://regex101.com/ (ensure you've selected the ECMAScript (JavaScript) flavor on the left).

• https://ryanstutorials.net/regular-expressions-tutorial/