fix(pii): Fix roundtrip error when PII selector starts with number

CHANGELOG.md

@@ -6,6 +6,10 @@
 
 - Support the `frame.stack_start` field for chained async stack traces in Cocoa SDK v7. ([#981](https://github.com/getsentry/relay/pull/981))
 
+**Bug Fixes**:
+
+- Fix roundtrip error when PII selector starts with number. ([#982](https://github.com/getsentry/relay/pull/982))
+
 **Internal**:
 
 - Update internal representation of distribution metrics. ([#979](https://github.com/getsentry/relay/pull/979))

py/CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Add back `breadcrumb.event_id`. ([#977](https://github.com/getsentry/relay/pull/977))
 - Add `frame.stack_start` for chained async stack traces. ([#981](https://github.com/getsentry/relay/pull/981))
+- Fix roundtrip error when PII selector starts with number. ([#982](https://github.com/getsentry/relay/pull/982))
 
 ## 0.8.5
 

relay-general/src/pii/convert.rs

@@ -1354,7 +1354,10 @@ THd+9FBxiHLGXNKhG/FRSyREXEt+NyYIf/0cyByc9tNksat794ddUqnLOg0vwSkv
 
         let pii_config = to_pii_config(&DataScrubbingConfig {
             sensitive_fields: vec!["special ,./<>?!@#$%^&*())'gärbage'".to_owned()],
-            exclude_fields: vec!["do not ,./<>?!@#$%^&*())'ßtrip'".to_owned()],
+            exclude_fields: vec![
+                "do not ,./<>?!@#$%^&*())'ßtrip'".to_owned(),
+                "2abc".to_owned(),
+            ],
             ..simple_enabled_config()
         });
 

relay-general/src/processor/selector.pest

@@ -10,7 +10,7 @@ Or = _{ "||" | "|" }
 Not = _{ "~" | "!" }
 EscapedQuote = @{ "'" }
 
-UnquotedKey = @{ (ASCII_ALPHANUMERIC | "-" | "_") + }
+UnquotedKey = @{ (ASCII_ALPHA | "_") ~ (ASCII_ALPHANUMERIC | "-" | "_") * }
 RootUnquotedKey = { SOI ~ UnquotedKey ~ EOI }
 QuotedCharacter = @{ ((!"'") ~ ANY) }
 QuotedKey = ${ (QuotedCharacter | ("'" ~ EscapedQuote))+ }