2 files changed, 13 insertions, 0 deletions
diff --git a/macros/src/util/mod.rs b/macros/src/util/mod.rs
index 4f2a594..0705853 100644
--- a/macros/src/util/mod.rs
+++ b/macros/src/util/mod.rs
@@ -1,3 +1,4 @@
 pub mod item_impl;
 pub mod iterator_ext;
+pub mod string;
 pub mod syn_path;
diff --git a/macros/src/util/string.rs b/macros/src/util/string.rs
new file mode 100644
index 0000000..90cccee
--- /dev/null
+++ b/macros/src/util/string.rs
@@ -0,0 +1,12 @@
+use once_cell::sync::Lazy;
+use regex::Regex;
+
+static CAMELCASE_RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"([a-z])([A-Z])").unwrap());
+
+pub fn camelcase_to_snakecase(camelcased: &str) -> String
+{
+    CAMELCASE_RE
+        .replace(camelcased, "${1}_$2")
+        .to_string()
+        .to_lowercase()
+}