Java Regex to look for files in multiple directories

Question

I am trying to look for files with ".js", ".less", ".jsp", and ".png" files while also checking for them in many different directories for example "/MyProject/public/someSecurePage.jsp", "/MyProject/public/js/page/SecuredPage1/", "/MyProject/public/js/page/SecuredPage2/", "/MyProject/public/less/page/SecuredPage1/", etc

I am using the someString.macthes(regexString)

Right now I have 2 separate regexes, but I am not sure they are correct:

File exts

.*?\\.(jsp|less|css|png|js)$

Directories/Files

EDIT1:

.*?\\.(/MyProject/public/someSecurePage.jsp|/MyProject/public/js/page/SecuredPag‌e1/|/MyProject/public/js/page/SecuredPage2/|/MyProject/public/less/page/SecuredPa‌ge1/)

EDIT1:

Another issue I am looking at is that this does not seem to look at /MyProject/public/js/page/SecuredPage2/securedPage2.js is not getting read correctly, my if statement is coming to false with this check.

My issue is that I am not actually sure that my files/ directories one is correct, because going through an if statement trying to match a directory, comes to false. I am new to using regular expressions

I don't think the double forward slashes // are necessary, you should be able to just use a single slash. .*?\\.(/MyProject/public/someSecurePage.jsp|/MyProject/public/js/page/SecuredPage1/|/MyProject/public/js/page/SecuredPage2/|/MyProject/public/less/page/SecuredPage1/)$ I could be wrong though. — imtheman
– imtheman, Commented Mar 12, 2014 at 4:26
I wasnt sure because I thought one slash was an escape character, that is kinda a reason I am asking — Vnge
– Vnge, Commented Mar 12, 2014 at 4:27
Ok, I posted an answer with a fully modified regex. See if that helps. — imtheman
– imtheman, Commented Mar 12, 2014 at 4:48

imtheman · Accepted Answer · 2014-03-12 05:04:51Z

2

I think this is the full regex you want. If you only want to find files in "/MyProject/public/someSecurePage/", "/MyProject/public/js/page/SecuredPag‌e1/", "/MyProject/public/js/page/SecuredPage2", and "/MyProject/public/less/page/SecuredPa‌ge1/" with extensions "jsp", "less", "css", "png", and "js".

^.*(/MyProject/public/someSecurePage|/MyProject/public/js/page/SecuredPag‌ e1|/MyProject/public/js/page/SecuredPage2|/MyProject/public/less/page/SecuredPa‌ge1)/.*\\.(jsp|less|css|png|js)$

^.* means match anything 0 or more times starting from the beginning (honestly you may not even need this part for it to work). ^ Means beginning, $ means end.

/.*\\. means match forward slash anything dot. E.g. /MyProject/public/less/page/SecuredPa‌ge1/qwerty. would be a match if we left out (jsp|less|css|png|js)

edited Mar 12, 2014 at 5:04

answered Mar 12, 2014 at 4:45

imtheman

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4 Comments

Vnge Over a year ago

if you dont mind, would you be able to explain how the characters before the '( )' work?

imtheman Over a year ago

Awesome. Sure, before which set of '()'?

Vnge Over a year ago

both if you dont mind. from my understanding I think the first one matches any sequence, but I am not totally sure

imtheman Over a year ago

No problem. Let me know if I need to explain it any better.

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