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https://github.com/sbrl/Minetest-WorldEditAdditions.git
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27 lines
806 B
Lua
27 lines
806 B
Lua
--- Split into table of characters.
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-- @param text string The string to iterate over
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-- @param sort bool Sort characters
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-- @param rem_dups bool Remove duplicate characters
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-- @returns table A sequence table containing the substrings
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function worldeditadditions.tochars(text,sort,rem_dups)
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local t, set = {}, {}
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if rem_dups then
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text:gsub(".",function(c) set[c] = true end)
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for k,v in pairs(set) do table.insert(t,k) end
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else
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text:gsub(".",function(c) table.insert(t,c) end)
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end
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if sort then table.sort(t) end
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return t
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end
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--- Split into a set of characters.
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-- @param text string The string to iterate over
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-- @returns table A sequence set table containing the substrings
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function worldeditadditions.tocharset(text)
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local t = {}
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text:gsub(".",function(c) t[c] = true end)
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return t
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end
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