diff --git a/bin/configuration.py b/bin/configuration.py
index 121a1f5..0abd8ca 100644
--- a/bin/configuration.py
+++ b/bin/configuration.py
@@ -64,3 +64,15 @@ def files (globspec = None, include_archived = False):
 
 def surveys (globspec = None, include_archived = False):
 	return [i[1] for i in files(globspec, include_archived)]
+
+def rxflags (flagstr):
+	"""
+	Convert flags string into a Python flags argument.
+	"""
+	flags = 0
+	cases = {
+		"i": re.I
+	}
+	for flag in flagstr:
+		flags |= cases.get(flag, 0)
+	return flags