בנימן הגלילי בנימן הגלילי - 2 years ago 95
Ruby Question

Match , space and [A-z] with possible second comma RegEx

I have files named

Authorone, Authortwo_1999.pdf
Authorone, Authortwo, Authorthree.pdf
Arian, Nachmias, Amir_2002.pdf
Author, Review, Source_2015(2).pdf
Avraham, Hacohen_1930.pdf

that were produced by reference manager Mendeley. I need them all in the format of Authorone1999.pdf or Authorone1999(2).pdf. I have regex that only matches the last comma space author and _

/(, )+[A-z ]*,?[A-z]*,?-?[A-z]*_/

enter image description here

How can I match on the optional first comma space Authortwo as well. There are never more than two commas because that produced

Authorone, et al._1999.pdf

and I've already cleaned those up.

Answer Source

Here's a simple solution:



This will store the author and year into two named capture groups.

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