2 files changed, 6 insertions, 1 deletions
diff --git a/Cargo.toml b/Cargo.toml
index 8e381e3..083a7b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,4 +7,7 @@ homepage = "https://jturnerusa.dev/cgit/mon"
 repository = "https://jturnerusa.dev/cgit/mon"
 
 [dependencies]
-regex = "1.12.2"
-\ No newline at end of file
+regex = { version = "1.12.2", optional = true }
+
+[features]
+regex = ["dep:regex"]
+\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 7221769..d963e36 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1053,6 +1053,7 @@ where
     r#if(|_| true)
 }
 
+#[cfg(feature = "regex")]
 pub mod str {
 
     use super::*;
@@ -1099,6 +1100,7 @@ mod test {
     }
 
     #[test]
+    #[cfg(feature = "regex")]
     fn test_regex_parser() {
         let it = InputIter::new("abc 123");