Javascript match regex against group

Question

Given the following string:

Lorem {{ipsum}} dolor {{sit}} amet

I'm trying to extract thw words ipsum and sit with the following regex:

content = 'Lorem {{ipsum}} dolor {{sit}} amet'
var regexp = /^\\\{\\\{(\w)\\\}\\\}/g;
var match = regexp .exec(content);

The match object returns null. What am I missing? Thanks!

What makes {{ipsum}} different from {{sit}}? And what makes amet different from Lorem and dolor? — Sumurai8
– Sumurai8, Commented Sep 14, 2013 at 10:31
@Sumurai8 bot ipsum and sit are captured into {{ and }}. There was a mistake in the question. I'm trying to extract the words ipsum and sit :) — Ionut
– Ionut, Commented Sep 14, 2013 at 10:38
You only need to double backslashes if you're creating the regep from a string literal, not a regexp literal. — Barmar
– Barmar, Commented Sep 14, 2013 at 10:40

Niet the Dark Absol · Accepted Answer · 2013-09-14 10:27:23Z

2

You have WAY too many backslashes, you're only looking for a single word character, and you're only looking for matches right at the beginning of the string.

var regexp = /\{\{(\w+)\}\}/g;

answered Sep 14, 2013 at 10:27

Niet the Dark Absol

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3 Comments

Ibrahim Najjar Over a year ago

The OP doesn't want the two words inside the {{ and }} !! I think that is what he wants but he has a typo but can't be sure.

Barmar Over a year ago

@Sniffer He's fixed the typo, he does want the words inside {{}}.

Ionut Over a year ago

@Kolink Thanks! it seems this works. So I falsely assumed that: \w covers whole words instead of only chars and the ` should be also escaped, thinking which led to \\\{`

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