fix(regex): replace \d to [0-9] to avoid matching non-ASCII digits

Author: rami3l

src/cli/errors.rs

@@ -24,7 +24,7 @@ pub enum CLIError {
 fn maybe_suggest_toolchain(bad_name: &str) -> String {
     let bad_name = &bad_name.to_ascii_lowercase();
     static VALID_CHANNELS: &[&str] = &["stable", "beta", "nightly"];
-    static NUMBERED: Lazy<Regex> = Lazy::new(|| Regex::new(r"^\d+\.\d+$").unwrap());
+    static NUMBERED: Lazy<Regex> = Lazy::new(|| Regex::new(r"^[0-9]+\.[0-9]+$").unwrap());
     if NUMBERED.is_match(bad_name) {
         return format!(". Toolchain numbers tend to have three parts, e.g. {bad_name}.0");
     }

src/cli/self_update.rs

@@ -1086,7 +1086,8 @@ fn parse_new_rustup_version(version: String) -> String {
     use once_cell::sync::Lazy;
     use regex::Regex;
 
-    static RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"\d+.\d+.\d+[0-9a-zA-Z-]*").unwrap());
+    static RE: Lazy<Regex> =
+        Lazy::new(|| Regex::new(r"[0-9]+.[0-9]+.[0-9]+[0-9a-zA-Z-]*").unwrap());
 
     let capture = RE.captures(&version);
     let matched_version = match capture {

src/dist/mod.rs

@@ -256,15 +256,15 @@ impl FromStr for ParsedToolchainDesc {
         // and an optional match of the date (2) and target (3)
         static TOOLCHAIN_CHANNEL_RE: Lazy<Regex> = Lazy::new(|| {
             Regex::new(&format!(
-                r"^({})(?:-(\d{{4}}-\d{{2}}-\d{{2}}))?(?:-(.+))?$",
+                r"^({})(?:-([0-9]{{4}}-[0-9]{{2}}-[0-9]{{2}}))?(?:-(.+))?$",
                 // The channel patterns we support
                 [
                     "nightly",
                     "beta",
                     "stable",
                     // Allow from 1.0.0 through to 9.999.99 with optional patch version
                     // and optional beta tag
-                    r"\d{1}\.\d{1,3}(?:\.\d{1,2})?(?:-beta(?:\.\d{1,2})?)?",
+                    r"[0-9]{1}\.[0-9]{1,3}(?:\.[0-9]{1,2})?(?:-beta(?:\.[0-9]{1,2})?)?",
                 ]
                 .join("|")
             ))

src/toolchain/names.rs

@@ -480,11 +480,7 @@ mod tests {
             LIST_OSES.join("|"),
             LIST_ENVS.join("|")
         );
-        let partial_toolchain_desc_re = format!(
-            r"(nightly|beta|stable|\d{{1}}\.\d{{1,3}}(\.\d{{1,2}})?)(-(\d{{4}}-\d{{2}}-\d{{2}}))?{triple_re}"
-        );
-
-        partial_toolchain_desc_re
+        r"(nightly|beta|stable|[0-9]{1}(\.(0|[1-9][0-9]{0,2}))(\.(0|[1-9][0-9]{0,1}))?(-beta(\.(0|[1-9][1-9]{0,1}))?)?)(-([0-9]{4}-[0-9]{2}-[0-9]{2}))?".to_owned() + &triple_re
     }
 
     prop_compose! {