diff --git a/admin/preprints/urls.py b/admin/preprints/urls.py
index 4cb30c1b787c..de4a0bea6962 100644
--- a/admin/preprints/urls.py
+++ b/admin/preprints/urls.py
@@ -9,24 +9,25 @@
     re_path(r'^known_spam$', views.PreprintKnownSpamList.as_view(), name='known-spam'),
     re_path(r'^known_ham$', views.PreprintKnownHamList.as_view(), name='known-ham'),
     re_path(r'^withdrawal_requests$', views.PreprintWithdrawalRequestList.as_view(), name='withdrawal-requests'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/$', views.PreprintView.as_view(), name='preprint'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/change_provider/$', views.PreprintProviderChangeView.as_view(), name='preprint-provider'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/machine_state/$', views.PreprintMachineStateView.as_view(), name='preprint-machine-state'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/reindex_share_preprint/$', views.PreprintReindexShare.as_view(),
+    # ^\w+(_[vV]\d+)*)
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/$', views.PreprintView.as_view(), name='preprint'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/change_provider/$', views.PreprintProviderChangeView.as_view(), name='preprint-provider'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/machine_state/$', views.PreprintMachineStateView.as_view(), name='preprint-machine-state'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/reindex_share_preprint/$', views.PreprintReindexShare.as_view(),
         name='reindex-share-preprint'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/remove_user/(?P<user_id>[a-z0-9]+)/$', views.PreprintRemoveContributorView.as_view(),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/remove_user/(?P<user_id>[a-z0-9]+)/$', views.PreprintRemoveContributorView.as_view(),
         name='remove-user'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/make_private/$', views.PreprintMakePrivate.as_view(), name='make-private'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/make_public/$', views.PreprintMakePublic.as_view(), name='make-public'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/remove/$', views.PreprintDeleteView.as_view(), name='remove'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/restore/$', views.PreprintDeleteView.as_view(), name='restore'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/confirm_unflag/$', views.PreprintConfirmUnflagView.as_view(), name='confirm-unflag'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/confirm_spam/$', views.PreprintConfirmSpamView.as_view(), name='confirm-spam'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/confirm_ham/$', views.PreprintConfirmHamView.as_view(), name='confirm-ham'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/reindex_elastic_preprint/$', views.PreprintReindexElastic.as_view(),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/make_private/$', views.PreprintMakePrivate.as_view(), name='make-private'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/make_public/$', views.PreprintMakePublic.as_view(), name='make-public'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/remove/$', views.PreprintDeleteView.as_view(), name='remove'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/restore/$', views.PreprintDeleteView.as_view(), name='restore'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/confirm_unflag/$', views.PreprintConfirmUnflagView.as_view(), name='confirm-unflag'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/confirm_spam/$', views.PreprintConfirmSpamView.as_view(), name='confirm-spam'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/confirm_ham/$', views.PreprintConfirmHamView.as_view(), name='confirm-ham'),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/reindex_elastic_preprint/$', views.PreprintReindexElastic.as_view(),
         name='reindex-elastic-preprint'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/approve_withdrawal/$', views.PreprintApproveWithdrawalRequest.as_view(),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/approve_withdrawal/$', views.PreprintApproveWithdrawalRequest.as_view(),
         name='approve-withdrawal'),
-    re_path(r'^(?P<guid>[A-Za-z0-9_]+)/reject_withdrawal/$', views.PreprintRejectWithdrawalRequest.as_view(),
+    re_path(r'^(?P<guid>\w+(_[vV]\d+)*)/reject_withdrawal/$', views.PreprintRejectWithdrawalRequest.as_view(),
         name='reject-withdrawal'),
 ]
diff --git a/api/chronos/urls.py b/api/chronos/urls.py
index 55efe089bb74..88cefa36cd34 100644
--- a/api/chronos/urls.py
+++ b/api/chronos/urls.py
@@ -7,6 +7,7 @@
 urlpatterns = [
     re_path(r'^journals/$', views.ChronosJournalList.as_view(), name=views.ChronosJournalList.view_name),
     re_path(r'^journals/(?P<journal_id>[-0-9A-Za-z]+)/$', views.ChronosJournalDetail.as_view(), name=views.ChronosJournalDetail.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/submissions/$', views.ChronosSubmissionList.as_view(), name=views.ChronosSubmissionList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/submissions/(?P<submission_id>[-0-9A-Za-z]+)/$', views.ChronosSubmissionDetail.as_view(), name=views.ChronosSubmissionDetail.view_name),
+    # ^\w+(_[vV]\d+)*)
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/submissions/$', views.ChronosSubmissionList.as_view(), name=views.ChronosSubmissionList.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/submissions/(?P<submission_id>[-0-9A-Za-z]+)/$', views.ChronosSubmissionDetail.as_view(), name=views.ChronosSubmissionDetail.view_name),
 ]
diff --git a/api/preprints/urls.py b/api/preprints/urls.py
index 440143fb2893..effdc09fea21 100644
--- a/api/preprints/urls.py
+++ b/api/preprints/urls.py
@@ -5,23 +5,22 @@
 app_name = 'osf'
 
 urlpatterns = [
-    # ^(?P<preprint_id>[A-Za-z0-9_]\d+)/$
     re_path(r'^$', views.PreprintList.as_view(), name=views.PreprintList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/$', views.PreprintDetail.as_view(), name=views.PreprintDetail.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/bibliographic_contributors/$', views.PreprintBibliographicContributorsList.as_view(), name=views.PreprintBibliographicContributorsList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/citation/$', views.PreprintCitationDetail.as_view(), name=views.PreprintCitationDetail.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/citation/(?P<style_id>[-\w]+)/$', views.PreprintCitationStyleDetail.as_view(), name=views.PreprintCitationStyleDetail.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/contributors/$', views.PreprintContributorsList.as_view(), name=views.PreprintContributorsList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/contributors/(?P<user_id>\w+)/$', views.PreprintContributorDetail.as_view(), name=views.PreprintContributorDetail.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/files/$', views.PreprintStorageProvidersList.as_view(), name=views.PreprintStorageProvidersList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/files/osfstorage/$', views.PreprintFilesList.as_view(), name=views.PreprintFilesList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/identifiers/$', views.PreprintIdentifierList.as_view(), name=views.PreprintIdentifierList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/institutions/$', views.PreprintInstitutionsList.as_view(), name=views.PreprintInstitutionsList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/relationships/institutions/$', views.PreprintInstitutionsRelationship.as_view(), name=views.PreprintInstitutionsRelationship.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/relationships/node/$', views.PreprintNodeRelationship.as_view(), name=views.PreprintNodeRelationship.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/relationships/subjects/$', views.PreprintSubjectsRelationship.as_view(), name=views.PreprintSubjectsRelationship.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/review_actions/$', views.PreprintActionList.as_view(), name=views.PreprintActionList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/requests/$', views.PreprintRequestListCreate.as_view(), name=views.PreprintRequestListCreate.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/subjects/$', views.PreprintSubjectsList.as_view(), name=views.PreprintSubjectsList.view_name),
-    re_path(r'^(?P<preprint_id>[A-Za-z0-9_]+_[Vv]\d+)/versions/$', views.PreprintVersionsList.as_view(), name=views.PreprintVersionsList.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/$', views.PreprintDetail.as_view(), name=views.PreprintDetail.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/bibliographic_contributors/$', views.PreprintBibliographicContributorsList.as_view(), name=views.PreprintBibliographicContributorsList.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/citation/$', views.PreprintCitationDetail.as_view(), name=views.PreprintCitationDetail.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/citation/(?P<style_id>[-\w]+)/$', views.PreprintCitationStyleDetail.as_view(), name=views.PreprintCitationStyleDetail.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/contributors/$', views.PreprintContributorsList.as_view(), name=views.PreprintContributorsList.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/contributors/(?P<user_id>\w+)/$', views.PreprintContributorDetail.as_view(), name=views.PreprintContributorDetail.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/files/$', views.PreprintStorageProvidersList.as_view(), name=views.PreprintStorageProvidersList.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/files/osfstorage/$', views.PreprintFilesList.as_view(), name=views.PreprintFilesList.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/identifiers/$', views.PreprintIdentifierList.as_view(), name=views.PreprintIdentifierList.view_name),
+    re_path(r'^(?P<preprint_id>^\w+(_[vV]\d+)*)/institutions/$', views.PreprintInstitutionsList.as_view(), name=views.PreprintInstitutionsList.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/relationships/institutions/$', views.PreprintInstitutionsRelationship.as_view(), name=views.PreprintInstitutionsRelationship.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/relationships/node/$', views.PreprintNodeRelationship.as_view(), name=views.PreprintNodeRelationship.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/relationships/subjects/$', views.PreprintSubjectsRelationship.as_view(), name=views.PreprintSubjectsRelationship.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/review_actions/$', views.PreprintActionList.as_view(), name=views.PreprintActionList.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/requests/$', views.PreprintRequestListCreate.as_view(), name=views.PreprintRequestListCreate.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/subjects/$', views.PreprintSubjectsList.as_view(), name=views.PreprintSubjectsList.view_name),
+    re_path(r'^(?P<preprint_id>\w+(_[vV]\d+)*)/versions/$', views.PreprintVersionsList.as_view(), name=views.PreprintVersionsList.view_name),
 ]