Almost what I was looking for. I just have to grep out the empty fields: 

print join(':', grep /\S/, split /(\w\W?)/,$x); #->E/:s:t:Y:n:a~:k:o

[download]
And yes, using blanks as delimiters in the print was a bad idea -> changed to colons.

Thanks, pike

In reply to Re: Re: split this by pike
in thread split this by pike

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