Extracting the last segment on an URI

Question

String # 1:

/string/morestring/thename

String # 2:

/string/morestring/thename/

Regex:

[^\/]*[\/]*$

The above regex matches both last segments...

How can the regex match only the last word on both "thename" AND "thename/", with or without final slash?

score 9 · Answer 1 · answered Feb 08 '11 at 01:39

9

I would just use basename().

answered Feb 08 '11 at 01:39

jeroen

+1. Would basename work for a URI if PHP is running on Windows though? (since the path separator is \\) – Ben Feb 08 '11 at 01:50
1

@Ben According to the manual: `On Windows, both slash (/) and backslash (\\) are used as directory separator character.` – jeroen Feb 08 '11 at 01:54
@jeroen. What about the extension? basename('/test/file.gif') is 'file', not 'file.gif' (AFAIK) – Ben Feb 08 '11 at 01:57
@Ben No, the extension is included. Perhaps you are looking at the example in the manual where they used the second parameter? – jeroen Feb 08 '11 at 02:04

score 4 · Accepted Answer · answered Feb 08 '11 at 01:39

4

[^\/]+\/?$

answered Feb 08 '11 at 01:39

deceze

Selecting solution since question was regarding regex and not implicitly attached to a particular language or method. All answers solve different problems, very well appreciated. – Codex73 Feb 08 '11 at 03:10

Ben · Answer 3 · 2011-02-08T02:18:46.930

3

jeroen's basename solution is very good ~~but might not work on windows, it would also cut out the extension if the URI ends with .something too.~~

I'd do this:

 $last = array_pop(explode('/',rtrim($s,'/')));

edited Feb 08 '11 at 02:18

answered Feb 08 '11 at 01:56

Ben

score 1 · Answer 4 · answered Feb 08 '11 at 02:46

1

Another option:

$last = array_pop(preg_split('#/+#', rtrim($s, '/')));

answered Feb 08 '11 at 02:46

shadowhand

4 Answers4