rust: allow extra/weird characters in identifiers

1 files changed, 1 insertions, 1 deletions

diff --git a/rust/spectrum.rs b/rust/spectrum.rs
index 85d18b6..be41ca8 100644
--- a/rust/spectrum.rs
+++ b/rust/spectrum.rs
@@ -67,7 +67,7 @@ fn is_valid_identifier(s: &str) -> bool {
         return false;
     }
     for (i, c) in s.chars().enumerate() {
-        if !(c.is_alphabetic() || c == '-' || (c.is_numeric() && i > 0)) {
+        if !(c.is_alphabetic() || c == '*' || c == '?' || c == '!' || c == '-' || (c.is_numeric() && i > 0)) {
             return false;
         }
     }