Code Snippets

Convert a string to upper or lower case

Verified

Added by iNTERFACEWARE

Convert a string to upper case with string.upper(), or lower case with string.lower()

Source Code

   -- convert a string to upper case
   local s = 'hello world'
   s = s:upper()
   --> 'HELLO WORLD'

   -- convert a string to lower case
   local s = 'HELLO WORLD'
   s = s:lower()
   --> 'hello world'

Description

Convert a string to upper case with string.upper(), or lower case with string.lower()

Usage Details

Use string.upper() to convert a string to uppercase, and string.lower() to convert a string to lowercase.

How to use the snippet:

Paste the desired conversion into your script

Note: You may also want to look at the capitalize() function in the stringutil module.

More Information

• string.upper
• string.lower
• stringutil.lua - see the capitalize() function
• Capitalize functionality - forum topic about improving the capitalize() function
• string - other string functions

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Code Repository

Convert a string to upper or lower case