Separate the house number from the street name

In Germany and the Netherlands has a postal address the form street name followed by the house number in accordance with the national standards DIN 5008 respectively NEN 5825.

Task

Develop a program which separates the house number form the street name and represents them both. A test-set:

Plataanstraat 5
Straat 12
Straat 12 II
Dr. J. Straat   12
Dr. J. Straat 12 a
Dr. J. Straat 12-14
Laan 1940 – 1945 37
Plein 1940 2
1213-laan 11
16 april 1944 Pad 1
1e Kruisweg 36
Laan 1940-’45 66
Laan ’40-’45
Langeloërduinen 3 46
Marienwaerdt 2e Dreef 2
Provincialeweg N205 1
Rivium 2e Straat 59.
Nieuwe gracht 20zw /2
Nieuwe gracht 20zw/3
Nieuwe gracht 20 zw/4
Bahnhofstr. 4
Wertstr. 10
Lindenhof 1
Nordesch 20
Weilstr. 6
Harthauer Weg 2
Mainaustr. 49
August-Horch-Str. 3
Marktplatz 31
Schmidener Weg 3
Karl-Weysser-Str. 6

PL/SQL <lang PL/SQL></lang>

Scala <lang Scala>import scala.io.Source.fromString import scala.util.matching.Regex

object HouseNumber extends App {

 def adressen =
   """Plataanstraat 5
   |Straat 12
   |Straat 12 II
   |Dr. J. Straat   12
   |Dr. J. Straat 12 a
   |Dr. J. Straat 12-14
   |Laan 1940 – 1945 37
   |Plein 1940 2
   |1213-laan 11
   |16 april 1944 Pad 1
   |1e Kruisweg 36
   |Laan 1940-’45 66
   |Laan ’40-’45
   |Langeloërduinen 3 46
   |Marienwaerdt 2e Dreef 2
   |Provincialeweg N205 1
   |Rivium 2e Straat 59.
   |Nieuwe gracht 20zw /2
   |Nieuwe gracht 20zw/3
   |Nieuwe gracht 20 zw/4
   |Bahnhofstr. 4
   |Wertstr. 10
   |Lindenhof 1
   |Nordesch 20
   |Weilstr. 6
   |Harthauer Weg 2
   |Mainaustr. 49
   |August-Horch-Str. 3
   |Marktplatz 31
   |Schmidener Weg 3
   |Karl-Weysser-Str. 6""".stripMargin

 val matcher = new scala.util.matching.Regex("""(\s\d+[-/]\d+)|([^’'\S]\d+)[\D+]*$""")

 def splitsAdressen(input: String) = (matcher.split(input).mkString, matcher.findFirstIn(input).getOrElse(""))

 fromString(adressen).getLines.foreach(s => println(f"$s%-25s split as ${splitsAdressen(s)}"))

}</lang>

Output:

Plataanstraat 5           split as (Plataanstraat, 5)
Straat 12                 split as (Straat, 12)
Straat 12 II              split as (Straat, 12 II)
Dr. J. Straat   12        split as (Dr. J. Straat  , 12)
Dr. J. Straat 12 a        split as (Dr. J. Straat, 12 a)
Dr. J. Straat 12-14       split as (Dr. J. Straat, 12-14)
Laan 1940 – 1945 37       split as (Laan 1940 – 1945, 37)
Plein 1940 2              split as (Plein 1940, 2)
1213-laan 11              split as (1213-laan, 11)
16 april 1944 Pad 1       split as (16 april 1944 Pad, 1)
1e Kruisweg 36            split as (1e Kruisweg, 36)
Laan 1940-’45 66          split as (Laan 1940-’45, 66)
Laan ’40-’45              split as (Laan ’40-’45,)
Langeloërduinen 3 46      split as (Langeloërduinen 3, 46)
Marienwaerdt 2e Dreef 2   split as (Marienwaerdt 2e Dreef, 2)
Provincialeweg N205 1     split as (Provincialeweg N205, 1)
Rivium 2e Straat 59.      split as (Rivium 2e Straat, 59.)
Nieuwe gracht 20zw /2     split as (Nieuwe gracht 20zw /2,)
Nieuwe gracht 20zw/3      split as (Nieuwe gracht 20zw/3,)
Nieuwe gracht 20 zw/4     split as (Nieuwe gracht 20 zw/4,)
Bahnhofstr. 4             split as (Bahnhofstr., 4)
Wertstr. 10               split as (Wertstr., 10)
Lindenhof 1               split as (Lindenhof, 1)
Nordesch 20               split as (Nordesch, 20)
Weilstr. 6                split as (Weilstr., 6)
Harthauer Weg 2           split as (Harthauer Weg, 2)
Mainaustr. 49             split as (Mainaustr., 49)
August-Horch-Str. 3       split as (August-Horch-Str., 3)
Marktplatz 31             split as (Marktplatz, 31)
Schmidener Weg 3          split as (Schmidener Weg, 3)
Karl-Weysser-Str. 6       split as (Karl-Weysser-Str., 6)

Scala <lang Scala></lang>