Longest Repeated Strings

Finds duplicated text strings and generates a report about the longest substrings or most frequent words in supplied text, weighted by how much space the string takes up overall (length * occurences).

Paste text or select files to analyze!

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Options

Min match length: Max match length:
Min occurrences: Max results:
Per-occurence score penalty:

Input splitting

(Splitting helps speed up processing)

Split input after (chars are retained):
(space) \n(newline) \t(tab) :(colon) ;(semi-colon) .(full-stop) ,(comma) "(double-quote) '(single-quote) {(open brace) }(close brace) ((open paren) )(close paren) [(open bracket) ](close bracket) =(equals)

Custom split input after (char is retained): Split input by (char is discarded):

Processing

Whole words Strip symbols Trim white space
Words to omit (one per line):

Report

Delimiter: Open paren: Close paren:

Results:

Created Mar 2025 by D.A. Braksator. Github repo