Modul:URLutil: Unterschied zwischen den Versionen
whitespace damage.
w>Dcoetzee (Oops didn't mean to do that) |
w>קיפודנחש (whitespace damage.) |
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| Zeile 29: | Zeile 29: | ||
local function legal( n ) return ( tonumber( n ) or 256 ) < 256 end-- in lua 0 is true! | local function legal( n ) return ( tonumber( n ) or 256 ) < 256 end-- in lua 0 is true! | ||
if type( s ) ~= "string" then return false end | |||
local p1, p2, p3, p4 = s:match( "^(%d+)%.(%d+)%.(%d+)%.(%d+)$" ) | local p1, p2, p3, p4 = s:match( "^(%d+)%.(%d+)%.(%d+)%.(%d+)$" ) | ||
return legal( p1 ) and legal( p2 ) and legal( p3 ) and legal( p4 ) | return legal( p1 ) and legal( p2 ) and legal( p3 ) and legal( p4 ) | ||