Remove duplicate words with PCRE regex
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Added by iNTERFACEWARE
How to remove duplicate words from a string, using PCRE regex with string.rxsub()
Source Code
-- remove duplicate words using rxsub
local s = "hello hello hello world world"
x = s:rxsub("(\\b\\w+\\b)(\\W+\\1)+","$1") -- by using a word boundary \b PCRE regex
trace(x) --> hello world -- can remove multiple repeats (unlike gsub)
Description
How to remove duplicate words from a string, using PCRE regex with string.rxsub()
Usage Details
Demonstrates how to remove duplicate words from a string, using PCRE regex with string.rxsub().
How to use the snippet:
- Paste the code into your script
- Inspect the annotations to see how it works
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