regex street number separator

Question

I have a address field that I want to separate in street name and house-number suffix, first part of address (street-name) is not a problem but the second part for the house-number suffix is a bit tricky.
In bold is the part that I want to select:

1st street 25
1st street 25 a
1st street 25b
1st street 25-ab

And this is the regex code that I use in c# to output only the house number suffix, but so far no luck selecting the bold parts:

{
  string sNum = AdField;
  string sRep = @"\s(\d[^\s]*[ A-Z]\w*)?(\d\w\s)\s?(.+)";
  string output = Regex.Match(sNum, sRep).Value;

  return output;
}

No not always, some addresses are like "Address line line 25" — H35am, Aug 10 '17 at 12:05
@H35am If the answer below works in all cases, please accept it. — Wiktor Stribiżew, Aug 10 '17 at 12:06

score 4 · Answer 1 · answered Aug 10 '17 at 11:49

4

I think think you can do it with this demo
the regex is

\d+(\s|-)?\w*$

answered Aug 10 '17 at 11:49

marvel308

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My test method was also faulty, your answer helped me a lot. – H35am Aug 10 '17 at 11:55

score 0 · Answer 2 · answered Aug 10 '17 at 12:08

[a-z]+ ?([0-9]+ ?\-?[a-z]{0,2})

Explaination

[a-z]+

catching the last part of the streetname

watch the space in front of the ? means 1 or 0 spaces

[0-9]+

1 or more numbers

another optional space

\-?

optional dash (-)

[a-z]{0,2}

0 to 2 letters

regex street number separator

2 Answers2