Duplicate line checker
Find duplicate lines in pasted text. Reports line numbers (1-based). Trims are not applied — exact string match.
Empty lines count as duplicates if repeated.
a
Lines: 1, 3
b
Lines: 2, 5
Find duplicate lines in pasted text. Reports line numbers (1-based). Trims are not applied — exact string match.
Empty lines count as duplicates if repeated.
a
Lines: 1, 3
b
Lines: 2, 5