Replace text in a string
Verified
Added by iNTERFACEWARE
Use string.gsub() to find and replace one or more instances of text within a string
Source Code
-- replace "hello" with "Lua says hello"
local s = "hello world"
x = s:gsub( "hello", "Lua says hello")
--> x="Lua says hello world"
-- use a capture to duplicate (replace twice) each word in the string
local s = "hello world"
x = s:gsub( "(%w+)", "%1 %1")
--> x="hello hello world world"
-- use a capture to duplicate the first word in the string
local s = "hello world"
x = s:gsub( "(%w+)", "%1 %1", 1)
--> x="hello hello world"
Description
Use string.gsub() to find and replace one or more instances of text within a string
Usage Details
Use string.gsub() to find and replace text within a string. The code demonstrates replacing a string “hello”, and also using a capture to duplicate each word in a string.
How to use the snippet:
- Paste the code into your script
- Inspect the annotations to see how it works
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