diff --git a/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/internal/Validation.kt b/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/internal/Validation.kt
index c8256a22e00..5ed3ba5eb2f 100644
--- a/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/internal/Validation.kt
+++ b/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/internal/Validation.kt
@@ -1,6 +1,6 @@
 package io.gitlab.arturbosch.detekt.api.internal
 
-private val identifierRegex = Regex("[aA-zZ]+([-][aA-zZ]+)*")
+private val identifierRegex = Regex("[aA-zZ]+(-[aA-zZ]+)*")
 
 /**
  * Checks if given string matches the criteria of an id - [aA-zZ]+([-][aA-zZ]+)* .
diff --git a/detekt-generator/src/main/kotlin/io/gitlab/arturbosch/detekt/generator/collection/Annotations.kt b/detekt-generator/src/main/kotlin/io/gitlab/arturbosch/detekt/generator/collection/Annotations.kt
index 01a99baee09..cc0f5ab842c 100644
--- a/detekt-generator/src/main/kotlin/io/gitlab/arturbosch/detekt/generator/collection/Annotations.kt
+++ b/detekt-generator/src/main/kotlin/io/gitlab/arturbosch/detekt/generator/collection/Annotations.kt
@@ -31,4 +31,4 @@ internal fun String.withoutQuotes() = removeSurrounding(TRIPLE_QUOTES)
 
 private const val SINGLE_QUOTES = "\""
 private const val TRIPLE_QUOTES = "\"\"\""
-private val STRING_CONCAT_REGEX = """["]\s*\+[\n\s]*["]""".toRegex()
+private val STRING_CONCAT_REGEX = """"\s*\+[\n\s]*"""".toRegex()