How to replace multiple space to single space in string (java)?

Question

What i want to do is to replace multiple space to single space in a string.

I have string variable

String text = "i  want  to  replace   multiple space";

and i want it change into

String text = "i want to replace multiple space";

how can i do it?, help me please, thanks before.

This was answered [here](http://stackoverflow.com/questions/3958955/how-to-remove-duplicate-white-spaces-in-string-using-java) — Schroed, Sep 25 '14 at 14:03

score 3 · Answer 1 · answered Sep 25 '14 at 14:02

3

With regex try

"my   extra spaced   string".replaceAll("\\s+?"," ");

thats preatty it.

answered Sep 25 '14 at 14:02

Antoniossss

This is not correct. It should be `"my extra spaced string".replaceAll("\\s+"," ")` – Arvind Kumar Avinash Nov 07 '20 at 17:50

score 1 · Answer 2 · answered Sep 25 '14 at 14:05

1

Use this:

   text = text.replaceAll("\\s{2,}", " ");

answered Sep 25 '14 at 14:05

jarz

and how to replace multiple space in text file line by line? – Muhammad Haryadi Futra Sep 25 '14 at 14:33
you might want to look at http://stackoverflow.com/questions/20039980/java-replace-line-in-text-file and then use the answer from this question to do the replacing. – jarz Sep 26 '14 at 13:59

2 Answers2