diff --git a/niworkflows/data/nipreps.json b/niworkflows/data/nipreps.json
index 26c7650373b..8e1449d903c 100644
--- a/niworkflows/data/nipreps.json
+++ b/niworkflows/data/nipreps.json
@@ -3,34 +3,34 @@
   "entities": [
     {
       "name": "subject",
-      "pattern": "[/\\\\]+sub-([a-zA-Z0-9]+)",
+      "pattern": "[/\\\\]+sub-([a-zA-Z0-9+]+)",
       "directory": "{subject}"
     },
     {
       "name": "session",
-      "pattern": "[_/\\\\]+ses-([a-zA-Z0-9]+)",
+      "pattern": "[_/\\\\]+ses-([a-zA-Z0-9+]+)",
       "mandatory": false,
       "directory": "{subject}{session}"
     },
     {
       "name": "task",
-      "pattern": "[_/\\\\]+task-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+task-([a-zA-Z0-9+]+)"
     },
     {
       "name": "acquisition",
-      "pattern": "[_/\\\\]+acq-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+acq-([a-zA-Z0-9+]+)"
     },
     {
       "name": "ceagent",
-      "pattern": "[_/\\\\]+ce-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+ce-([a-zA-Z0-9+]+)"
     },
     {
       "name": "reconstruction",
-      "pattern": "[_/\\\\]+rec-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+rec-([a-zA-Z0-9+]+)"
     },
     {
       "name": "direction",
-      "pattern": "[_/\\\\]+dir-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+dir-([a-zA-Z0-9+]+)"
     },
     {
       "name": "run",
@@ -39,11 +39,11 @@
     },
     {
       "name": "proc",
-      "pattern": "[_/\\\\]+proc-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+proc-([a-zA-Z0-9+]+)"
     },
     {
       "name": "modality",
-      "pattern": "[_/\\\\]+mod-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+mod-([a-zA-Z0-9+]+)"
     },
     {
       "name": "echo",
@@ -67,11 +67,11 @@
     },
     {
       "name": "recording",
-      "pattern": "[_/\\\\]+recording-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+recording-([a-zA-Z0-9+]+)"
     },
     {
       "name": "space",
-      "pattern": "[_/\\\\]+space-([a-zA-Z0-9\\+]+)"
+      "pattern": "[_/\\\\]+space-([a-zA-Z0-9+\\+]+)"
     },
     {
       "name": "suffix",
@@ -95,31 +95,31 @@
     },
     {
       "name": "atlas",
-      "pattern": "[_/\\\\]+atlas-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+atlas-([a-zA-Z0-9+]+)"
     },
     {
       "name": "roi",
-      "pattern": "[_/\\\\]+roi-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+roi-([a-zA-Z0-9+]+)"
     },
     {
       "name": "label",
-      "pattern": "[_/\\\\]+label-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+label-([a-zA-Z0-9+]+)"
     },
     {
       "name": "fmapid",
-      "pattern": "[_/\\\\]+fmapid-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+fmapid-([a-zA-Z0-9+]+)"
     },
     {
       "name": "desc",
-      "pattern": "[_/\\\\]+desc-([a-zA-Z0-9]+)"
+      "pattern": "[_/\\\\]+desc-([a-zA-Z0-9+]+)"
     },
     {
       "name": "from",
-      "pattern": "(?:^|_)from-([a-zA-Z0-9\\+]+).*xfm"
+      "pattern": "(?:^|_)from-([a-zA-Z0-9+\\+]+).*xfm"
     },
     {
       "name": "to",
-      "pattern": "(?:^|_)to-([a-zA-Z0-9\\+]+).*xfm"
+      "pattern": "(?:^|_)to-([a-zA-Z0-9+\\+]+).*xfm"
     },
     {
       "name": "mode",
@@ -131,19 +131,19 @@
     },
     {
       "name": "model",
-      "pattern": "model-([a-zA-Z0-9]+)"
+      "pattern": "model-([a-zA-Z0-9+]+)"
     },
     {
       "name": "subset",
-      "pattern": "subset-([a-zA-Z0-9]+)"
+      "pattern": "subset-([a-zA-Z0-9+]+)"
     },
     {
       "name": "resolution",
-      "pattern": "res-([a-zA-Z0-9]+)"
+      "pattern": "res-([a-zA-Z0-9+]+)"
     },
     {
       "name": "density",
-      "pattern": "res-([a-zA-Z0-9]+)"
+      "pattern": "res-([a-zA-Z0-9+]+)"
     },
     {
       "name": "cohort",