Regex - insert a space - but only once!

General
1

Anyone know how to modify this regex to insert a space into a UK phone number but only do it once after the 5 digits and not again at 10 digits?

msg.payload = msg.payload.replace(/(.{5})/g,'$1 ');
return msg;

thanks!

2

Remove the g

Definition and Usage
The "g" modifier specifies a global match.
A global match finds all matches (compared to only the first).

3

You could, of course, do that without a regex by splitting the string and rejoining with a space character.

4

thanks both!

5

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