Using replace method javascript

Question

I have a problem with the replace method of javascript. I have a string that is:

string1 = one|two|three|four;

I wanted to replace("|" with ",");

I tried:

string1.replace("|", ",");

but is replacing only the first occurence. I also tried:

string1.replace(/|/g,",");

and result was:

string1 = "o,n,e,|,t,w,o,|,t,h,r,e,e,";

how can i make it the one below?

string1 = "one,two,three";

Thanks a lot, tinks

Alex Turpin · Accepted Answer · 2012-03-29 16:00:55Z

5

| is a special character in regex. You need to escape it with a backslash.

string1.replace(/\|/g,",");

Live example

answered Mar 29, 2012 at 16:00

Alex Turpin

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Comments

Michael Berkowski · Accepted Answer · 2012-03-29 16:00:53Z

5

| is a special character in regular expressions which makes an or selection between the left and right operands, and you must escape it with a backslash to use it as a literal character.

string1.replace(/\|/g,",");

string1 = "one|two|three|four";
"one|two|three|four"
string1.replace(/\|/g, ",");
"one,two,three,four"

answered Mar 29, 2012 at 16:00

Michael Berkowski

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Comments

kiswa · Accepted Answer · 2012-03-29 16:04:33Z

3

You didn't escape the pipe character in the regular expression:

var string1 = "one|two|three|four";
string1.replace(/\|/g,",")

answered Mar 29, 2012 at 16:04

kiswa

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6 Comments

kiswa Over a year ago

I look late to the party now... dang researching.

Alex Turpin Over a year ago

You need to know this stuff my heart or you'll never be competitive on SO, haha

kiswa Over a year ago

I always think I know, but I still have to check to make sure. Probably why I'm still under 1K. Oh well! :)

kiswa Over a year ago

Strange though that my answer was just as helpful as the others (if a minute or two behind), but no upvotes at all.

Alex Turpin Over a year ago

it's a harsh world haha. But you're well on your way. Here, have an upvote, and good luck for the rest!

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