How to match a regular expression in Java?

How can I match the following regular expression in JAVA?

If commandLineOutput has something like "########_####_##_check_Standards_ALL_Files.xml"

Then I Iwould like to catch this match.

commandLineOutput is this: 20130925_1603_28_check_Standards_ALL_Files.xml

Then we will catch this match

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if (commandLineOutput has this match)

then assign this match to a variable

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Terry WoodsIT GuruCommented:
Something like this?

 if (commandLineOutput.matches("^\\d{8}_\\d{4}_\\d\\d_check_Standards_ALL_Files\\.xml") == true)

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I've assumed the value you're searching for will be at the start of the string. If that's not the case, remove the ^ character from the pattern.

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