trying to debug issue with familie

Author: arcuri82

core/src/main/kotlin/org/evomaster/core/search/gene/string/StringGene.kt

@@ -822,9 +822,10 @@ class StringGene(
                       try {
                               toAddGenes.add(RegexHandler.createGeneForJVM(regex))
                               log.trace("Regex, added specification for: {}", regex)
-
                           } catch (e: Exception) {
                               LoggingUtil.uniqueWarn(log, "Failed to handle regex: $regex")
+                          } catch (e: java.lang.StackOverflowError){
+                              LoggingUtil.uniqueWarn(log, "Failed to handle regex, as it gives a stack overflow error: $regex")
                           }
                       }
 

core/src/test/kotlin/org/evomaster/core/parser/RegexHandlerTest.kt

@@ -8,12 +8,20 @@ import org.evomaster.core.search.service.AdaptiveParameterControl
 import org.evomaster.core.search.service.Randomness
 import org.evomaster.core.search.service.mutator.MutationWeightControl
 import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.Disabled
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertThrows
 import java.util.regex.Pattern
 
 internal class RegexHandlerTest{
 
+    @Disabled("Needs to hande lookahead in regex")
+    @Test
+    fun testFamilieBaSakIssue(){
+        val s = "^((?iu)@.+)$"
+        RegexHandler.createGeneForJVM(s)
+    }
+
 
     @Test
     fun testCwaIssue(){