删除重复行

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删除文本中的重复行。

文本工具

如何使用 删除重复行

  1. 1Paste your text with duplicate lines
  2. 2Duplicates are removed instantly
  3. 3Copy or download the deduplicated result

关于 删除重复行

Remove Duplicate Lines filters your text to keep only unique lines, removing every duplicate occurrence while preserving the original order of first appearances. This is extremely useful for cleaning up lists, deduplicating data exports, or filtering CSV/TSV files.

Comparison is case-sensitive by default.

常见问题

Is comparison case-sensitive?

Yes. "Apple" and "apple" are treated as different lines.

Is the order preserved?

Yes. The first occurrence of each line is kept, and the relative order of unique lines is maintained.