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view env/util/trim.lua @ 984:0f531b7efa8d

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Added tag v2.2.1 for changeset 7ee30345ea59
author bsw
date Mon Mar 18 13:46:12 2013 +0100 (2013-03-18)
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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