Show only duplicates! Extraction of identical lines and display of duplicate counts

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Show only duplicates! Extraction of identical lines and display of duplicate counts

Extract duplicate lines from the input list. It is possible to display only duplicate lines, delete duplicate lines, and display the number of duplicates.

【Example】

Tohoku University
Tohoku Gakuin University
Miyagi University
Miyagi Gakuin Women's University
Tohoku Gakuin University
Sendai University
Miyagi Gakuin Women's University
Ishinomaki University
Tohoku Gakuin University
Miyagi Gakuin Women's University

Extraction

Please input the character string which extracts a duplicate and push the execution button.

【Option】

Go to top screen.