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How to get this substring?

Posted on 2006-06-29
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"C:\ViaSafe\Channel/boaTest/BoaFromExtract/report/done/1151076810520.0@BoaFromExtract.boaTest.A6.txt.ExtractReport.pdf"

The above is a string which I want to get the "A6.txt" out of it, the substring after it ".ExtractReport.pdf" and the string before it "@BoaFromExtract.boaTest." will always be constant.  However, the A6.txt can varies in size as I can have A12312321.txt, B23424.txt ect......

I know this has to do with Substring manipulation and trimming my string but I can not seem to come up with a clean method to do it, please help.

Thanks.

btw I store the orignal string in a String array.
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Question by:fylix0000
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9 Comments
 
LVL 14

Accepted Solution

by:
hoomanv earned 2000 total points
ID: 17012802
           Pattern p = Pattern.compile("BoaFromExtract\\.boaTest\\.(.+)\\.ExtractReport\\.pdf");
            Matcher m = p.matcher("C:\\ViaSafe\\Channel/boaTest/BoaFromExtract/report/done/1151076810520.0@BoaFromExtract.boaTest.A6.txt.ExtractReport.pdf");
            m.find();
            System.out.println(m.group(1));
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Author Comment

by:fylix0000
ID: 17013041
Tried to run this but the compile method does not seem to work, I check for Patter.method in my IDE but could not see compile either.
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LVL 14

Expert Comment

by:hoomanv
ID: 17013049
have you imported java.util.regex.* ?
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Author Comment

by:fylix0000
ID: 17013183
I had import import java.util.regex.Matcher; only before
but eafter I put in import java.util.regex.*; then i still get the same error.

Focus on error gives me : The method compile(ClassGenerator, MethodGenerator) in the type Expression is not applicable for
 the arguments (String)


Sorry I am quite new to this Pattern so I am kind of clueless.
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LVL 14

Expert Comment

by:hoomanv
ID: 17013221
what is the exact phrase of compile error ?
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Author Comment

by:fylix0000
ID: 17013237
Exception in thread "main" java.lang.Error: Unresolved compilation problems:
      The method compile(ClassGenerator, MethodGenerator) in the type Expression is not applicable for the arguments (String)
      The method matcher(String) is undefined for the type Pattern

      at name_string.main(name_string.java:11)
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LVL 14

Expert Comment

by:hoomanv
ID: 17013242
try
java.util.regex.Pattern p = java.util.regex.Pattern.compile("BoaFromExtract\\.boaTest\\.(.+)\\.ExtractReport\\.pdf");
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Author Comment

by:fylix0000
ID: 17013249
Actually , nevermind...somehow my IDE put in import com.sun.org.apache.xalan.internal.xsltc.compiler.Pattern;



will try again, as I took it out and looks good so far.
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Author Comment

by:fylix0000
ID: 17013254
Thank you, worked like a charm :)
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