Split a character string based on change of character: Difference between revisions
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m (→{{header|Lua}}: Simply scan difference in reverse order and insert delimiter in place) |
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<pre>g, HHH, 5, YY, ++, ///, \</pre> |
<pre>g, HHH, 5, YY, ++, ///, \</pre> |
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'''Alternative:''' |
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Simply scan difference in reverse order and insert delimiter in place, the loop counter i will not update with length of s. |
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<lang lua>function splitdiff(s) |
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for i=#s,2,-1 do |
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if s:sub(i,i)~=s:sub(i-1,i-1) then |
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s = s:sub(1,i-1)..', '.. s:sub(i,-1) |
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end |
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end |
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return s |
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end</lang> |
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=={{header|Mathematica}}== |
=={{header|Mathematica}}== |
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