vb.net - Parse a string to a specified length (without cutting words) -

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I have a long string that I need to parse in the string array that does not exceed 40 characters in length . The difficult part of me is making sure that RJX finds the empty space to make a clean brake between the strings 40 before I do not want to cut words.

Trim the substrings properly as you go: 

  (? & Lt; sub & gt ;. {1,40}) (?: \ S + | $). (? & Lt; sub & gt ;. {40}) The first one tries for a clean brake, but the second if there is a blindfold to cut it blindly, after this, the substring  Available in m.Groups ["sub"]. Capture .

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