fix path parsing for regex validators

see also: 8ca1fe94d779dcccf4b3f4c23a08f3ede7e10956

2 files changed, 28 insertions, 1 deletions

diff --git a/validator_derive/src/quoting.rs b/validator_derive/src/quoting.rs
index b6053f4..a3e25cb 100644
--- a/validator_derive/src/quoting.rs
+++ b/validator_derive/src/quoting.rs
@@ -307,7 +307,7 @@ pub fn quote_regex_validation(field_quoter: &FieldQuoter, validation: &FieldVali
     let validator_param = field_quoter.quote_validator_param();
 
     if let Validator::Regex(ref re) = validation.validator {
-        let re_ident = syn::Ident::from(re.clone());
+        let re_ident: syn::Path = syn::parse_str(re).unwrap();
         let quoted_error = quote_error(&validation);
         let quoted = quote!(
             if !#re_ident.is_match(#validator_param) {
diff --git a/validator_derive/tests/run-pass/regex.rs b/validator_derive/tests/run-pass/regex.rs
new file mode 100644
index 0000000..dcac3c0
--- /dev/null
+++ b/validator_derive/tests/run-pass/regex.rs
@@ -0,0 +1,27 @@
+extern crate regex;
+#[macro_use]
+extern crate lazy_static;
+#[macro_use]
+extern crate validator_derive;
+extern crate validator;
+
+use validator::Validate;
+use regex::Regex;
+
+lazy_static! {
+    static ref RE2: Regex = Regex::new(r"^[a-z]{2}$").unwrap();
+}
+
+#[derive(Validate)]
+struct Test {
+    #[validate(regex = "RE2")]
+    s: String,
+}
+
+#[derive(Validate)]
+struct TestPath {
+    #[validate(regex = "::RE2")]
+    s: String,
+}
+
+fn main() {}