diff --git a/README.md b/README.md
index 323389f..17ee61d 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,8 @@ The files should end in `.txt` and each value should be on it's own line.
 - `input_text(LIST)`: Choose a line from the files yourself or select `*` to choose at random using seed.
 - `prefix(STRING)`: The prefix to use
 - `suffix(STRING)`: The suffix to use
-- `regex(STRING)`: If provided this will be used to filter the input files.
+- `regex(STRING)`: If provided this will be used to filter the input files. case insensitive. only items that match will be used
+- `exclude_regex(STRING)`: If provided this will be used to filter the input files. case insensitive. matched items will not be used
 - `temp_override(STRING)`: If not blank then overrides the output.
 - `output_blank_ratio(FLOAT)`: A number between 0 and 1 to determine if the output should be blank. Not used if temp_override is set.
 
diff --git a/wildcard.py b/wildcard.py
index 2db7914..494ff3b 100644
--- a/wildcard.py
+++ b/wildcard.py
@@ -11,6 +11,7 @@ files = list(
     wildcards_directory.glob("**/*.txt")
     | map(lambda x: x.relative_to(wildcards_directory))
 )
+item_map = dict()
 
 
 def get_items_for_wildcard_path(glob: str):
@@ -56,6 +57,10 @@ class SimpleWildcard:
                     "STRING",
                     {"default": ".*"},
                 ),
+                "exclude_regex": (
+                    "STRING",
+                    {"default": ""},
+                ),
                 "temp_override": (
                     "STRING",
                     {"default": ""},
@@ -104,6 +109,9 @@ class SimpleWildcard:
             if kwargs["regex"] != ".*" or kwargs["regex"] != "":
                 regex = re.compile(kwargs["regex"], re.IGNORECASE)
                 items = list(items | where(regex.match))
+            if kwargs["exclude_regex"] != "":
+                regex = re.compile(kwargs["exclude_regex"], re.IGNORECASE)
+                items = list(items | where(lambda x: not regex.match(x)))
 
             has_items = len(items) > 0
             if has_items: