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view env/util/trim.lua @ 1329:1a55c68445d4

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Allow empty selection for unit registration field
author bsw
date Fri Aug 03 17:07:06 2018 +0200 (2018-08-03)
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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