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view env/util/trim.lua @ 560:0fce0bdf7ce1

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Removed comment with example code and made text more clear
author bsw
date Tue Jun 19 21:28:33 2012 +0200 (2012-06-19)
parents de8602f8d9bb
children
line source
1 function util.trim(string)
2 if string == nil then
3 return string
4 end
5 return (string:gsub("^%s*", ""):gsub("%s*$", ""):gsub("%s+", " "))
6 end

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