Extract date from String java

问题

I have a String with several dates, for example:

[20-Jul-2012 5:11:36,670 UTC PM, 20-Jul-2012 5:11:36,683 UTC PM]

How do I read this string and extract each date? I'm using the SimpleDateFormat class to create a regex.

SimpleDateFormat format2 = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss,SSS z a");

I've tried :

I've just did, to get the first one and it changes the format and the timezone:

ParsePosition parsePos = new ParsePosition(1);
SimpleDateFormat format2 = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss,SSS z a");
System.out.println(format2.parse(entry.getValue().toString(), parsePos)) ;

Output : Fri Jul 20 06:11:36 BST 2012

回答1:

You can try:

 parsePos = new ParsePosition(1);
 while((date = format2.parse(yourString, parsePos)!=null){
      //use date
 }

来源：https://stackoverflow.com/questions/11599591/extract-date-from-string-java