how convert this patten in javascript regex

Question

This is working

newRow.replace('[[' + key + ']]', item);

but i tried replacing with regex but its not working

newRow.replace('/\[\[' + key + '\]\]/'g, item);

I Hate Lazy · Accepted Answer · 2012-10-16 01:20:30Z

5

You need to use the RegExp constructor to use the string literal syntax.

newRow.replace(new RegExp('\\[\\[' + key + '\\]\\]', 'g'), item);

Also note that we needed to use \\ instead of \. This is because the \ has its own meaning in string literal syntax. Therefore to get a literal \ character in the string passed to the constructor, we need to escape it.

answered Oct 16, 2012 at 1:20

I Hate Lazy

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