diff --git a/pyproject.toml b/pyproject.toml
index 5e8bb6d..8d1f974 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,4 +3,4 @@ requires = ["setuptools", "wheel"]
 
 [project]
 name = "wbhiutils"
-version = "0.0.2"
+version = "0.0.3"
diff --git a/wbhiutils/parse_dicom_hdr.py b/wbhiutils/parse_dicom_hdr.py
index 78c6715..bf5f795 100644
--- a/wbhiutils/parse_dicom_hdr.py
+++ b/wbhiutils/parse_dicom_hdr.py
@@ -3,7 +3,7 @@
 # Parse a dicom header and return the pi-id and sub-id
 def parse_pi_sub(dcm_hdr, site): 
     if site == 'ucsb':
-        pi_id, sub_id = dcm_hdr["PatientName"].split('^')[:2]
+        pi_id, sub_id = re.split('[^0-9a-zA-Z]', dcm_hdr["PatientName"], maxsplit=1)
     elif site == 'uci':
         pi_id = re.split('[^0-9a-zA-Z]', dcm_hdr["PatientName"])[0]
         sub_id = re.split('[^0-9a-zA-Z]', dcm_hdr["PatientID"])[0]
@@ -11,6 +11,6 @@ def parse_pi_sub(dcm_hdr, site):
         pi_id = re.split(' ', dcm_hdr["StudyDescription"])[0]
         sub_id = dcm_hdr["PatientName"]
     else:
-        pi_id, sub_id = dcm_hdr["PatientName"].split('^')[:2]
+        pi_id, sub_id = re.split('[^0-9a-zA-Z]', dcm_hdr["PatientName"], maxsplit=1)
     
     return pi_id, sub_id