Fix example code

vgrigoriu · web-flow · commit 7520c029d68c · 2022-12-04T06:34:19.000+02:00
Probably from a previous. find / replace.
diff --git a/_overviews/scala3-book/domain-modeling-tools.md b/_overviews/scala3-book/domain-modeling-tools.md
@@ -408,7 +408,7 @@ Here’s an example of a “string utilities” object that contains a set of me
 ```scala
 object StringUtils {
   def truncate(s: String, length: Int): String = s.take(length)
-  def containsWhitespace(s: String): Boolean = s.object_1es(".*\\s.*")
+  def containsWhitespace(s: String): Boolean = s.matches(".*\\s.*")
   def isNullOrEmpty(s: String): Boolean = s == null || s.trim.isEmpty
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -408,7 +408,7 @@ Here’s an example of a “string utilities” object that contains a set of me`
`408`	`408`	```scala
`409`	`409`	`object StringUtils {`
`410`	`410`	`def truncate(s: String, length: Int): String = s.take(length)`
`411`		`- def containsWhitespace(s: String): Boolean = s.object_1es(".\\s.")`
	`411`	`+ def containsWhitespace(s: String): Boolean = s.matches(".\\s.")`
`412`	`412`	`def isNullOrEmpty(s: String): Boolean = s == null \|\| s.trim.isEmpty`
`413`	`413`	`}`
`414`	`414`	```