Split string in two strings

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Dion Theunissen
Dion Theunissen on 10 Aug 2022
Commented: Stephen23 on 10 Aug 2022
I have the following string, now I want to splits it up in 2 different strings like show in below:
STR = ["van Donk","Gerritsen","kooijman","Verliefde","Floré","Pengel","aan de Wiel","van der Hoeven","Hop","Boer","van Ewijk"]
What i want to create is
STR1 = ["van","","","","","","aan de","van der","","","van"]
STR2 = ["Donk","Gerritsen","kooijman","Verliefde","Floré","Pengel","Wiel","Hoeven","Hop","Boer","Ewijk"]
Anyone who can help me?
  2 Comments
Stephen23
Stephen23 on 10 Aug 2022
"The surname is not "Hoeven" with "van der" being some kind of middle name."
The "van der" is not part of the main name, it is a tussenvoegsel:
which in Dutch is ignored when sorting, just like "von" and "zu" are ignored in German.
""van der Hoeven" should be sorted under v or V, not under H"
There are differing opinions on this:
So the required sort order depends mostly on where your users are from.

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Answers (1)

Stephen23
Stephen23 on 10 Aug 2022
Edited: Stephen23 on 10 Aug 2022
str = ["van Donk","Gerritsen","kooijman","Verliefde","Floré","Pengel","aan de Wiel","van der Hoeven","Hop","Boer","van Ewijk"]
str = 1×11 string array
"van Donk" "Gerritsen" "kooijman" "Verliefde" "Floré" "Pengel" "aan de Wiel" "van der Hoeven" "Hop" "Boer" "van Ewijk"
tkn = regexp(str,'^(\w+\s+)*(\w+)$','tokens','once');
tkn = vertcat(tkn{:});
st1 = strtrim(tkn(:,1))
st1 = 11×1 string array
"van" "" "" "" "" "" "aan de" "van der" "" "" "van"
st2 = tkn(:,2)
st2 = 11×1 string array
"Donk" "Gerritsen" "kooijman" "Verliefde" "Floré" "Pengel" "Wiel" "Hoeven" "Hop" "Boer" "Ewijk"
  3 Comments
Stephen23
Stephen23 on 10 Aug 2022
str = ["van Donk","Gerritsen","kooijman","Verliefde","Floré","Pengel","aan de Wiel","van der Hoeven","Hop","Boer","van Ewijk","in 't veld"];
tkn = regexp(str,'^(.*?)\s*(\S+)$','tokens','once');
tkn = vertcat(tkn{:})
tkn = 12×2 string array
"van" "Donk" "" "Gerritsen" "" "kooijman" "" "Verliefde" "" "Floré" "" "Pengel" "aan de" "Wiel" "van der" "Hoeven" "" "Hop" "" "Boer" "van" "Ewijk" "in 't" "veld"

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