javascript regexp to match path depth

Question

Been struggling for the last hour to try and get this regexp to work but cannot seem to crack it.

It must be a regexp and I cannot use split etc as it is part of a bigger regexp that searches for numerous other strings using .test().

(public\/css.*[!\/]?)

public/css/somefile.css
public/css/somepath/somefile.css
public/css/somepath/anotherpath/somefile.css

Here I am trying to look for path starting with public/css followed by any character except for another forward slash.

so "public/css/somefile.css" should match but the other 2 should not.

A better solution may be to somehow specify the number of levels to match after the prefix using something like

(public\/css\/{1,2}.*)

but I can't seem to figure that out either, some help with this would be appreciated.

edit

No idea why this question has been marked down twice, I have clearly stated the requirement with sample code and test cases and also attempted to solve the issue, why is it being marked down ?

Using regex and split aren't really detrimental to one another. — Etheryte
– Etheryte, Commented Jun 9, 2015 at 11:39

Tushar · Accepted Answer · 2015-06-09 12:27:52Z

2

You can use this regex:

/^(public\/css\/[^\/]*?)$/gm

^ : Starts with
[^/] : Not /
*?: Any Characters
$: Ends with
g: Global Flag
m: Multi-line Flag

edited Jun 9, 2015 at 12:27

answered Jun 9, 2015 at 11:42

Tushar

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Comments

EJTH · Accepted Answer · 2015-06-09 11:40:51Z

1

Something like this?

/public\/css\/[^\/]+$/

This will match public/css/[Any characters except for /]$

$ is matching the end of the string in regex.

answered Jun 9, 2015 at 11:40

EJTH

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2 Comments

crankshaft Over a year ago

Thanks for helping, I just tried that on regex101 does not appear to work ( regex101.com/r/oI6nJ9/2 )

EJTH Over a year ago

Yes it does... The site you use doesn't treat $ as line ending but end of file...

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