diff --git a/action.yml b/action.yml
index f33652f..5413bf5 100644
--- a/action.yml
+++ b/action.yml
@@ -9,6 +9,7 @@ runs:
   image: "Dockerfile"
   args:
     - ${{ inputs.case-sensitive }}
+    - ${{ inputs.require-colon }}
 inputs:
   terms:
     description: "The pipe-delimited searchable terms to pass as a regex group to `git grep`."
@@ -18,3 +19,7 @@ inputs:
     description: "Whether the searchable terms passed to `git grep` should be case-sensitive or not."
     required: false
     default: true
+  require-colon:
+    description: "Whether the terms must be followed by a colon."
+    required: false
+    default: true
diff --git a/lib/entrypoint.sh b/lib/entrypoint.sh
index cb15c21..d39e12d 100755
--- a/lib/entrypoint.sh
+++ b/lib/entrypoint.sh
@@ -10,6 +10,7 @@ echo "::add-matcher::git-grep-problem-matcher.json"
 
 
 case_sensitive="${1}"
+require_colon="${2}"
 
 if [ ${case_sensitive} = false ]; then
 	case_sensitive="--ignore-case"
@@ -19,7 +20,14 @@ fi
 
 
 tag=${INPUT_TERMS:=FIXME}
-result=$(git grep --no-color ${case_sensitive} --line-number --extended-regexp -e "(${tag})+(:)" :^.github)
+
+regex="(${tag})+"
+
+if [ ${require_colon} = true ]; then
+	regex="${regex}(:)"
+fi
+
+result=$(git grep --no-color ${case_sensitive} --line-number --extended-regexp -e "${regex}" :^.github)
 
 echo "${result}"