Beginner (13)
Clean and Lowercase Email Strings in n8n
Learn how to chain JavaScript string methods .trim() and .toLowerCase() inside n8n expressions.
Split Full Name into First Name in Make.com
Learn how to combine split() and first() in Make.com to extract a customer's first name.
Replace Substrings Using replace() in Make.com
Learn how to use the replace() function in Make.com to clean phone numbers or text.
Join Array Items into a Comma-Separated String in Make
Master the join() function in Make.com to merge an array of tags into a single text string.
Capitalize First Letter of a String in Make.com
Learn how to format lowercase customer names using capitalization functions in Make.
Convert Text to Lowercase with lower() in Make.com
Practice normalizing email addresses to lowercase in Make.com using the lower() text function.
Convert Text to Uppercase with upper() in Make.com
Learn how to format country codes and IDs in uppercase using Make.com's upper() function.
Remove Extra Spaces with trim() in Make.com
Practice cleaning leading and trailing spaces from form inputs using trim() in Make.com.
Check if Text Contains a Keyword with contains() in Make.com
Practice detecting keywords in email subjects using Make.com's contains() function.
Convert a String to Uppercase in n8n
Practice formatting country codes and IDs in uppercase with toUpperCase() in n8n expressions.
Split a String and Get the First Word in n8n
Learn how to extract a first name from a full name with split() in n8n expressions.
Check if a String Contains a Word in n8n
Learn how to detect keywords in text with includes() in n8n expressions and IF nodes.
Count Characters with length in n8n
Practice validating message length (e.g. for SMS limits) with the length property in n8n.
Intermediate (4)
Extract Domain Name from URL using JavaScript in n8n
Learn how to parse URLs using standard JavaScript URL constructor inside n8n expressions.
Extract Part of a String with substring() in Make.com
Learn how to extract the first characters of an ID or code with Make.com's substring() function.
Find a Character Position with indexOf() in Make.com
Learn how to find the position of a character inside a string with indexOf() in Make.com.
Remove Characters with replaceAll() in n8n
Practice cleaning phone numbers by removing every dash with replaceAll() in n8n.
Advanced (2)
Format Numbers with Thousands Separators in Make.com
Master formatNumber() in Make.com, including the decimal and thousands separator arguments that trip up most users.
Extract an Email from Text with Regex in n8n
Master pulling an email address out of free text with match() and a regular expression in n8n.