regexgrep-indesign

How to replace only first instance with grep/regex?

I'm trying to design a single regex that produces the two following scenarios:

foobar_foobar_190412_foobar_foobar.jpg  =>  190412
foobar_20190311_2372_foobar.jpg         =>  20190311

The regex I came up with is close, but I can't figure out how to make it only output the first number:

.*_(\d+)_(\d*).*                        =>  $1

foobar_foobar_190412_foobar_foobar.jpg  =>  190412
foobar_20190311_2372_foobar.jpg         =>  (no match)

Anyone got an idea?

Solution

  • This is what I was looking for:

    find:    \D+_(\d+)_.*
replace: $1

    I didn't know about the "non-digit" character!