Count occurrences of duplicate lines
Counts how many times each line appears and displays them in descending order.
Input
The example value has been entered. Check it immediately or change the value.
Input is processed in the browser. Refreshing returns a sample value.
Result
Check or change the value using the example value result.
Up to 50,000 characters. Input and results are processed in this page’s memory and not saved. Line breaks use LF.
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Calculation·conversion criteria
Counts how many times each duplicate line appears.
Input example
Apple / pear / apple → 2 apples
Enter A and B respectively on separate lines. A will appear 2 times, and B once. Since results are displayed in order of higher frequency, duplicate entries can be checked first.
How to use
- Use the entered example value or change the input text item.
- Click Verify result and check the following result.
- Result can be copied if needed.
Frequently Asked Questions
Do Leading and Trailing Spaces and Case Sensitive Count?
Does not aggregate. Only identical items with exactly the same entire line count; empty lines are also aggregated. Clean up spaces or remove empty lines to change the comparison criteria.
Calculation criteria and reference materials
The calculation formula and scope of this tool are disclosed in the above description. Examples can be checked by substituting input values into the formula or following the specified string and calendar handling rules.
Verification of calculation criteria: · Calculation·verification principles · Report errors