string search & replace

[Chitra Jay]

Hi,
Pls help me with this issue.
Contents of the text file:
bla bla bla %s
bla bla bla bla

...more contents here...
%i bla bla %s
--end of text file.

I would like to replace the %s,%i,%s with 3 values i pass in the arguments.
eg. if send 1,2,3 then contents of the text file should have %s replaced with 1, %i replaced with 2 and %s replaced with 3. (in the order they appear in the file). I dont need to bother with whether its %s or %i, but only i need to replace %s or %i with the parameters i pass. I can read the contents of the file into a string. but how to replace values in the order specified.

[Fintan Quill]

Perhaps you could use a Collection class with key/value pairs where %s is a key and 1 is its value, or possibly vice-versa. I could be misinterpreting your dilemma however!

[Garrett Rowe]

You could call the String.replaceFirst() method three different times with the same regex and different repacement Strings

String regex = "\\b%\\w\\b";
 
String target = //read target String
 
for (int i = 0; i < args.length; i++)
{
   target = target.replaceFirst(regex, args[i]);
}

[ April 20, 2006: Message edited by: Garrett Rowe ]

[marc weber]

"CJ,"

Please revise your display name to meet the JavaRanch Naming Policy. To maintain the friendly atmosphere here at the ranch, we like folks to use real (or at least real-looking) names, with a first and a last name -- like Chitra Jay, for example.

You can edit your name here.

Thank you for your prompt attention!

-Marc