Module:Rational: Difference between revisions
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function p.parse(unparsed) | function p.parse(unparsed) | ||
-- rational form | -- rational form | ||
local sign, n, _m, m = unparsed:match('(%-?)%s*(%d+)%s*(/%s*(%d+))') | local sign, n, _m, m = unparsed:match('^%s*(%-?)%s*(%d+)%s*(/%s*(%d+))%s*$') | ||
if n == nil then | if n == nil then | ||
-- integer form | -- integer form | ||
sign, n = unparsed:match('(%-?)%s*(%d+)') | sign, n = unparsed:match('^%s*(%-?)%s*(%d+)%s*$') | ||
if n == nil then | if n == nil then | ||
-- parsing failure | -- parsing failure | ||