diff --git a/PETsARD/reporter/utils.py b/PETsARD/reporter/utils.py
index 2c674d24..d87456a9 100644
--- a/PETsARD/reporter/utils.py
+++ b/PETsARD/reporter/utils.py
@@ -1,5 +1,7 @@
 import re
 
+from PETsARD.error import ConfigError
+
 
 def convert_full_expt_tuple_to_name(expt_tuple: tuple) -> str:
     """
@@ -35,22 +37,48 @@ def convert_full_expt_name_to_tuple(expt_name: str) -> tuple:
 
     Args:
         expt_name (str): A string representation of the experiment configuration,
-            formatted as `ModuleName[ExperimentName]` for single-step experiments or
+            formatted as
+            `ModuleName[ExperimentName]` for single-step experiments or
             `ModuleName[ExperimentName]_AnotherModuleName[AnotherExperimentName]`
             for multi-step experiments.
-            Examples:
-            - 'Loader[default]'
-            - 'Loader[default]_Preprocessor[default]'
+            - A single step experiment: 'Loader[default]'
+            - A multi-step experiment: 'Loader[default]_Preprocessor[default]'
 
     Returns:
-        tuple: A tuple representing the full experiment configuration, where each
-            pair consists of a module name followed by its corresponding experiment
-            name. The tuple can contain multiple such pairs, indicating a sequence
-            of module and experiment steps.
-            Examples:
+        (tuple): A tuple representing a full experiment configuation.
+            Each pair within the tuple should consist of a module name
+            followed by its corresponding experiment name.
+            The tuple can contain multiple such pairs,
+            indicating a sequence of module and experiment steps. e.g.
             - A single step experiment: ('Loader', 'default'),
             - A multi-step experiment: ('Loader', 'default', 'Preprocessor', 'default')
     """
     pattern = re.compile(r'(?:^|_)(\w+)\[([\w-]+)\]')
     matches = pattern.findall(expt_name)
-    return tuple([item for match in matches for item in match])
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+    return tuple([item for match in matches for item in match])
+
+
+def convert_eval_expt_name_to_tuple(expt_name: str) -> tuple:
+    """
+    Converts an Evaluator/Describer experiment name to a tuple.
+
+    Args:
+        expt_name (str):
+            A string representation of the evaluation experiment configuration,
+            formatted as f"{eval_name}_[{granularity}]". e.g.
+            - 'sdmetrics-qual_[global]'
+
+    Returns:
+        (tuple): A tuple representing a evaluation experiment configuation.
+            formatted as ({eval_name}, {granularity}). e.g.
+            - ('sdmetrics-qual', 'global')
+
+    Raises:
+        ConfigError: If the experiment name does not match the expected pattern.
+    """
+    pattern = re.compile(r'([A-Za-z0-9_-]+)\_\[([\w-]+)\]')
+    match = pattern.match(expt_name)
+    if match:
+        return match.groups()
+    else:
+        return ConfigError
\ No newline at end of file