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From: Jim Janney <jjanney@shell.xmission.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Parse a text file and match more than one line
Date: Mon, 02 Apr 2012 16:50:25 -0600
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mike <mikaelpetterson@hotmail.com> writes:

> Hi,
>
> I am trying to figure out how to use regexp in java to match this
> pattern:
>
>
> compile:
>     [javac] Compiling 933 source files to /tmp/gdduser/classes
>
> dft.properties:
>
> So I want to make sure I have:
>
> compile:
>     [javac] Compiling 933 source files to /tmp/gdduser/classes
> <<nothing on this line>>
>
> How can I use java to apply it? It will be something like, when
> "compile:" is found check that there is a [javac] Compiling .... on
> next line . If there is then I need to check if there is an empty
> line. If all conditions are fullfilled then I can I know that my build
> step is completed and I have a full match.
>
> Any ideas?
>
> br,
>
> //mike

If the file is not too large, you can read it all into a single string
and apply a regexp to that.  Otherwise, you've already sketched out a
workable approach.

In the general case, consider using a finite state machine.

-- 
Jim Janney