Use variables inside String.replace method regex

Asked Apr 08 '19 at 09:28

Active Apr 08 '19 at 09:28

Viewed 25 times

I'm using regex to replace some text inside my code like this :

text.replace(
    /\{\#(variable)\#\}/g,
    this.options.vars[i].companyName,
);

I want to use a variable inside the pattern because I have a string like this lorem ipsum {#variable1#} dolor {#variable2#}, but I can't find a way to pass a variable inside the pattern.

asked Apr 08 '19 at 09:28

Rahmani Seif El Moulouk

2

seek the documentation for `new RegExp()` – Jaromanda X Apr 08 '19 at 09:29
@JaromandaX I can't find it how to merge the pattern with outside variables – Rahmani Seif El Moulouk Apr 08 '19 at 09:33
1

`new RegExp(\`\\{\\#(${variable})\\#\\}\`, 'g')` - don't forget ... to get a backslash `'\\'` in a string you need two ... alternative `new RegExp('\\{\\#('+variable+')\\#\\}', 'g')` – Jaromanda X Apr 08 '19 at 09:34
@JaromandaX Thank you so much, you saved my day – Rahmani Seif El Moulouk Apr 08 '19 at 09:38

Use variables inside String.replace method regex

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