Javascript regex replace single slash in to double slash?

Question

Javascript regex replace single slash into double slash not for replace double slash in a string?

var tempPath ="//DocumentImages//Invoices//USD//20130425//I27566554 Page- 1.tif&//hercimg/IMAGES/2008/20130411/16192144/16192144-10003.tif&";

Here replace all single slash in to double (//) not to all double slash.

like //DocumentImages//Invoices//USD//20130425//I27566554 Page- 1.tif&//hercimg//IMAGES//2008//20130411//16192144//16192144-10003.tif&

Yes. var tempPath ="//DocumentImages//Invoices//USD//20130425//I27566554 Page- 1.tif&//hercimg/IMAGES/2008/20130411/16192144/16192144-10003.tif&"; image = tempPath.replace(/\//g,"\/\/"); and i get. ////DocumentImages////Invoices////USD////20130425////I27566554 Page- 1.tif&////hercimg//IMAGES//2008//20130411//16192144//16192144-10003.tif& — Ramesh
– Ramesh, Commented May 23, 2013 at 10:34

Benjamin Gruenbaum · Accepted Answer · 2013-05-23 10:33:49Z

1

This would work assuming your string does not also end in a /

yourString.replace(/\/[^\/]/g,"//")

/stuff/ is just JavaScript regex literal notation
\/ is an escaped "/"
[^\/] is anything but a "/" (again, with escaping)
the "g" on the regex literal means "replace all matches and not just the first"

which we replace for "//" which is what you want.

replace accepts a string and returns a new string with the value changed without changing the original.

Here is a working fiddle

answered May 23, 2013 at 10:33

Benjamin Gruenbaum

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Ramesh Over a year ago

I expect //DocumentImages//Invoices//USD//20130425//I27566554 Page- 1.tif&//hercimg//IMAGES//2008//20130411//16192144//16192144-10003.tif& Not this ///ocumentImages///nvoices///SD///0130425///27566554 Page- 1.tif&///ercimg//MAGES//008//0130411//6192144//6192144-10003.tif&

Khanh TO · Accepted Answer · 2013-05-23 11:53:55Z

0

yourString.replace(/([^\/])\/([^\/])/g,"$1//$2")

edited May 23, 2013 at 11:53

answered May 23, 2013 at 10:36

Khanh TO

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2 Comments

Khanh TO Over a year ago

@ramesh, please check my updated answer. Sorry, I did not check that the previous one replaced also the 2 chars on the side

Ramesh Over a year ago

Yes ... I noticed after sometime... Thank You again... :)

Burak Tasci · Accepted Answer · 2017-02-24 13:56:53Z

0

Could be also helpful:

var s = "http://www.some-url.com//path//to";
var res = s.replace(/(https?:\/\/)|(\/)+/g, "$1$2");

answered Feb 24, 2017 at 13:56

Burak Tasci

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