GREP to apply subscript to uppercase single character followed by a single digit

Question

I'm sure to have already asked this but I cannot find it anywhere, nor on search engines.

In a music-related text, I need to show the octave of a note with a subscript digit.

So, the middle-C on the piano would be C3 with 3 being subscripted.

I am trying this GREP but it's not working:

(?<=[A-G])\d

This should be positive lookbehind for uppercase letters A to G, then applying the character style to the single digit following it.

Any idea why this may not be working?

Thank you!

jmlevy · Accepted Answer

I don't know what happened, but I just re-typed the full string of your GREP style it it works now.

rolandmol · Answer

Faster to type and easier to read:[A-G]\K\d'\K' is the new 'look behind' and capable of handling more complex code

Sign up