Comments (1)
I notice that if we pass ababacac and abacabac in compareTwoStrings, it return output 1 which is wrong.
It's not wrong, it's just that Sørensen–Dice is abused here for strict string comparison. The first sentence in Wikipedia makes it clear:
The Sørensen–Dice coefficient is a statistic used to gauge the similarity of two samples.
It's in the nature of "statistics" to be blurry.
More fun examples:
stringSimilarity.compareTwoStrings('abaa', 'baab'); // 1
stringSimilarity.compareTwoStrings('baab', 'aaba'); // 1
stringSimilarity.compareTwoStrings('aaba', "abaa"); // 1
from string-similarity.
Related Issues (20)
- Strange/incorrect matching
- This is not the Dice coefficient HOT 1
- [HELP!!] Latest version does not detect spaces, and 2.0.0 version is not case sensitive.
- Error: Bad arguments: First argument should be a string, second should be an array of strings HOT 3
- Feature suggestion - pass array of objects as targets for findBestMatch function HOT 1
- compareTwoStrings with arguments length lower than 3 since HOT 1
- LICENSE.md and package.json disagree
- CommonJS causing optimization bailouts
- How is similarity calculated HOT 5
- Does not seem to care about the order of words HOT 2
- IE support HOT 3
- findBestMatch : accept a list of objects HOT 2
- Is it possible to import it in a ES6 module ? (front-side) HOT 1
- compareTwoStrings() not case insensitive as documentation suggest HOT 1
- Adding an optional param for replacing string and case sensitivity. HOT 3
- Support for ie10
- compareTwoStrings returning 1 for small and different strings HOT 1
- first.replace is not a function HOT 2
- Matching % seems incorrect HOT 1
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from string-similarity.