Use string interpolation in 2024 day 19 part 1

sim642 · sim642 · commit 48436d11e4ef · 2024-12-19T23:57:20.000+02:00
$ needed to be escaped.
diff --git a/src/main/scala/eu/sim642/adventofcode2024/Day19.scala b/src/main/scala/eu/sim642/adventofcode2024/Day19.scala
@@ -11,7 +11,7 @@ object Day19 {
 
   def patternsRegex(patterns: Seq[Towel]): Regex = {
     val one = patterns.mkString("|")
-    ("^(" + one + ")*$").r // TODO: why s"..." doesn't work?
+    s"^($one)*$$".r
   }
 
   def countPossibleDesigns(input: Input): Int = {

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@ object Day19 {`
`11`	`11`
`12`	`12`	`def patternsRegex(patterns: Seq[Towel]): Regex = {`
`13`	`13`	`val one = patterns.mkString("\|")`
`14`		`- ("^(" + one + ")*$").r // TODO: why s"..." doesn't work?`
	`14`	`+ s"^($one)*$$".r`
`15`	`15`	`}`
`16`	`16`
`17`	`17`	`def countPossibleDesigns(input: Input): Int = {`