Fix scala migration thingy - tests passes

Author: RafalSierkiewicz

sjsonnet/src/sjsonnet/YamlRenderer.scala

@@ -175,10 +175,10 @@ object YamlRenderer{
   private val yamlReserved = Set("true", "false", "null", "yes", "no", "on", "off", "y", "n", ".nan",
     "+.inf", "-.inf", ".inf", "null", "-", "---", "''")
   private val yamlTimestampPattern = Platform.getPatternFromCache("^(?:[0-9]*-){2}[0-9]*$")
-  private val yamlBinaryPattern = Platform.getPatternFromCache("^[-+]?0b[0-1?]+$")
-  private val yamlHexPattern = Platform.getPatternFromCache("[-+]?0x[0-9a-fA-F?]+")
-  private val yamlFloatPattern = Platform.getPatternFromCache( "^-?([0-9?]*)*(\\.[0-9?]*)?(e[-+][0-9?]+)?$" )
-  private val yamlIntPattern = Platform.getPatternFromCache("^[-+]?[0-9?]+$")
+  private val yamlBinaryPattern = Platform.getPatternFromCache("^[-+]?0b[0-1_]+$")
+  private val yamlHexPattern = Platform.getPatternFromCache("[-+]?0x[0-9a-fA-F_]+")
+  private val yamlFloatPattern = Platform.getPatternFromCache( "^-?([0-9_]*)*(\\.[0-9_]*)?(e[-+][0-9_]+)?$" )
+  private val yamlIntPattern = Platform.getPatternFromCache("^[-+]?[0-9_]+$")
 
   private def isSafeBareKey(k: String) = {
     val l = k.toLowerCase