MATLAB: Find cells that start with text and combine it with next cell

cell arraysMATLAB

I have a cell array like:
{'Test1'}
{'10v'}
{'20va'}
{'30v'}
{'50v'}
{'65v'}
{'Test2'}
{'80v}
{100v}
I want to find cells that start with text and combine that with next cell and store in same variable. Output should be something like:
{'Test1 10v'}
{'20va'}
{'30v'}
{'50v'}
{'65v'}
{'Test2 80v'}
{100v}

Best Answer

>> C = {'Test1';'10v';'20va';'30v';'50v';'65v';'Test2';'80v';'100v'}
C = 
    'Test1'
    '10v'
    '20va'
    '30v'
    '50v'
    '65v'
    'Test2'
    '80v'
    '100v'
>> X = cellfun('isempty',regexp(C(:),'^\D','once'));
>> Y = cumsum([1;X(1:end-1)]);
>> F = @(x){sprintf(' %s',C{x})};
>> Z = strtrim(accumarray(Y,(1:numel(C)).',[],F))
Z = 
    'Test1 10v'
    '20va'
    '30v'
    '50v'
    '65v'
    'Test2 80v'
    '100v'
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