docs: clarify double escaping of regex (#426)

ymc9 · web-flow · commit aca4924c3bd2 · 2025-04-09T21:16:47.000-07:00
diff --git a/docs/the-complete-guide/part1/5-data-validation.md b/docs/the-complete-guide/part1/5-data-validation.md
@@ -86,6 +86,10 @@ We can use data validation to improve our app's robustness in many places. Two s
     }
     ```
 
+:::info
+The argument of the `@regex` attribute is a regular expression string, so regex character escapes like `\d`, `\w` need to be double escaped as `\\d`, `\\w`.
+:::
+
 Rerun generation and start REPL:
 
 ```bash

Original file line number	Diff line number	Diff line change
`@@ -86,6 +86,10 @@ We can use data validation to improve our app's robustness in many places. Two s`
`86`	`86`	`}`
`87`	`87`	```
`88`	`88`
	`89`	`+:::info`
	`90`	+The argument of the `@regex` attribute is a regular expression string, so regex character escapes like `\d`, `\w` need to be double escaped as `\\d`, `\\w`.
	`91`	`+:::`
	`92`	`+`
`89`	`93`	`Rerun generation and start REPL:`
`90`	`94`
`91`	`95`	```bash