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

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.

Antoniossss · Accepted Answer · 2014-09-25 14:02:34Z

3

With regex try

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

thats preatty it.

answered Sep 25, 2014 at 14:02

Antoniossss

32.7k7 gold badges67 silver badges119 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

This is not correct. It should be "my extra spaced string".replaceAll("\\s+"," ")

jarz · Accepted Answer · 2014-09-25 14:05:56Z

1

Use this:

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

answered Sep 25, 2014 at 14:05

jarz

7327 silver badges20 bronze badges

and how to replace multiple space in text file line by line?

you might want to look at stackoverflow.com/questions/20039980/… and then use the answer from this question to do the replacing.