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split() throws PatternsyntaxException

naveen yadav
Ranch Hand

Joined: Oct 23, 2011
Posts: 384

hi ranchers,

i have a String of a location like "dir\\filename" .I want to separate the directory name from file name for which i use the following code

But it throws PatternsyntaxException. why ? it seems to me that split() having a problem with "\\".
Matthew Brown

Joined: Apr 06, 2010
Posts: 4512

\ is a special character in Java string literals and in regular expressions. Which means you have to escape it twice!
naveen yadav
Ranch Hand

Joined: Oct 23, 2011
Posts: 384

bingo !!
thanks Matthew Brown
Wendy Gibbons

Joined: Oct 21, 2008
Posts: 1107

you could also consider using FILE, that has loads of methods to do this sort of stuff.
I agree. Here's the link:
subject: split() throws PatternsyntaxException