apoc.text.hammingDistance

Details
Syntax	`apoc.text.hammingDistance(text1, text2)`
Description	Compares the two given `STRING` values using the Hamming distance algorithm.
Arguments	Name	Type	Description
	`text1`	`STRING`	The first string to be compared against the second.
	`text2`	`STRING`	The second string to be compared against the first.
Returns	`INTEGER`

Usage Examples

RETURN apoc.text.hammingDistance("Neo4j", "Neo4j") AS output;

Results
output
0

RETURN apoc.text.hammingDistance("Neo4j", "Neoj4") AS output;

Results
output
2

The provided strings must be the same length, otherwise this procedure will throw an exception, as shown in the example below:

RETURN apoc.text.hammingDistance("Neo4j Aura", "Neo4j Graph Database") AS output;

Results
Failed to invoke function `apoc.text.hammingDistance`: Caused by: java.lang.IllegalArgumentException: CharSequences must have the same length