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Items are delimited by single line break other.   By column number. 
Removed: 0
Case insensitive.  

Tool: Remove duplicate lines/items.

Purpose: Remove duplicate lines of text or delimited items within a list.
Instructions: Load working-text, select other delimiter option if needed and click "Remove duplicate lines/items" button. Duplicate removal determined by a particular column can be accomplished by checking "By column number" and entering the column delimiter and column number. (See example below.)
Remove duplicates within comma delimited list:

Working-text is:

one,two,two,three

To remove duplicate items within comma delimited list, click "other" checkbox and enter delimiter , and click "Remove duplicate lines/items" button producing:

one,two,three



Duplicate removal determined by a particular column:

Working-text is:

number=1
number=12
number=123


To remove duplicates left of "=" delimiter, regardless of text to the right, click "By column number" checkbox and enter delimiter =, enter column number 1 and click "Remove duplicate lines/items" button producing:

number=1