gsub remove everything before the first comma

Question

I have this string:

auteur = "comte de Flandre et Hainaut, Baudouin, Jacques, Thierry"

I want to remove everything before the first comma i.e. in this case keep "Baudouin, Jacques, Thierry"

Tried this :

nom = auteur.gsub(/.*,/, '')

But that removes every before the last comma and keeps only "Thierry".

Answer 1

auteur.partition(",").last
# => " Baudouin, Jacques, Thierry"

Answer 2

Use #sub instead of #gsub to remove only the first occurrence and make the repetition lazy (?):

auteur = "comte de Flandre et Hainaut, Baudouin, Jacques, Thierry"
nom = auteur.sub(/.*?,/, '') # => " Baudouin, Jacques, Thierry"

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Or don't use regexes at all (returns the original string if no commas are present):

auteur.split(',', 2).last # => " Baudouin, Jacques, Thierry"