How to Find regular expression and add a digit to the end

[S Souza]

Hi guys,

I need to find regular expression, more specifically all RLK letters follow by any 3 digit numbers, and add a letter L at the end.
Example: find all RLKxxx and replace with RLKxxxL.

I have managed to find using: RLK\d{3} but I can’t figure out how to replace with the Find results adding an “L” at the end.

Thanks

[astrosofista]

Hi @S-Souza

Try with $0L in the Replace with field.

Hope this helps.

[S Souza]

Hi astrosofista,

Thank you very much, it works! spent a good half-day trying to figure this out.

Kind Regards

[astrosofista]

@S-Souza

You’re welcome. The regular expression you posted was correct. But since it didn’t include any capture group, the only way to represented it back was by means of $0, which is a reference to the whole match.

Best Regards.

[S Souza]

I’ve just hit another hurdle:

There are some RLK with only 2 digits in front = RLKxx, I need to add a 0 in between the RLK and first digit, then add the L at the end.

another weird thing is when I search for RLK\d{2} it shows the RLKxxxL results, how can I exclude those RLKxxxL that I have already changed?

Cheers

[gerdb42]

Try the following:

Search for: (RLK)(\d{2})(?=\D)
Replace with: ${1}0${2}L

May I suggest to take a deeper look at Regexes? A good starting point would be here.