Changed expression evaluation opening and closing pattern.

src/testium/interpreter/utils/params.py

@@ -313,12 +313,12 @@ def _preprocess_string(value, parent=None):
 
 def _eval_param(value):
     """This function parses a string value to check if patterns corresponding
-    to <@xxx@ exists.
+    to @|xxx| exists.
     When this kind of pattern is found, an attempt to evaluate its
     content is done.
     If it is not evaluable, not replaced.
     """
-    return _parse_and_process("<@", "@>", value, evaluate)
+    return _parse_and_process("@|", "|", value, evaluate)
 
 
 def _process_recursively(func, param_value, *fparams):