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Find common values across multiple arrays using lodash _.intersection
Details
Find the shared values that appear in every provided array.
Highlights:
_.intersectionExample:
[1, 2, 3][2, 3, 4][2, 3]Execution
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Tool usage guide
The Intersection Arrays tool identifies common values shared across two or three JSON arrays using the lodash _.intersection method. It supports optional case-insensitive matching for string arrays, enabling efficient data comparison and filtering.
Background
An e-commerce analyst has two lists of product IDs from different sales channels.
Problem
Need to determine which products are sold in both channels for inventory sync.
How to use
Input the product ID arrays into Array 1 and Array 2 fields.
Outcome
A JSON array of product IDs common to both lists.
Background
Comparing usernames from a legacy system and a new system where cases differ.
Problem
Usernames are stored in mixed case, but need to find exact matches ignoring case.
How to use
Enter the username arrays and uncheck the 'Case Sensitive' option.
Outcome
A list of usernames that match regardless of letter case.
You can compare two or three arrays simultaneously.
It supports any JSON array, including numbers, strings, and other data types.
Yes, uncheck the 'Case Sensitive' option to ignore case differences in string arrays.
The result is a JSON array containing the common values from all input arrays.
The tool handles arrays as per standard JSON limits; no specific size restriction is imposed.
Background
A marketing team has three email lists from different campaigns.
Problem
Want to find subscribers who are common to all three campaigns for targeted outreach.
How to use
Input the three email arrays into Array 1, Array 2, and Array 3 fields.
Outcome
An array of email addresses present in all three lists.