Change nested list of symbols to nested list of numbers

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I have some nested lists of symbols, all of the same format, and I wish to convert them to nested lists of integers, i.e.



e1,e1,e1,e2 -> 1,1,1,2


Any quick ways to do this?



Note: I will always have nested lists of that form, but their length may vary and the symbols may not always have single digit integers in them, e.g.



e4,e200,e1,e11,e23 -> 4,200,1,11,23


Many thanks!






list-manipulation symbols







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    up vote
    5
    down vote

    favorite












    I have some nested lists of symbols, all of the same format, and I wish to convert them to nested lists of integers, i.e.



    e1,e1,e1,e2 -> 1,1,1,2


    Any quick ways to do this?



    Note: I will always have nested lists of that form, but their length may vary and the symbols may not always have single digit integers in them, e.g.



    e4,e200,e1,e11,e23 -> 4,200,1,11,23


    Many thanks!






    list-manipulation symbols







    share|improve this question























      up vote
      5
      down vote

      favorite









      up vote
      5
      down vote

      favorite











      I have some nested lists of symbols, all of the same format, and I wish to convert them to nested lists of integers, i.e.



      e1,e1,e1,e2 -> 1,1,1,2


      Any quick ways to do this?



      Note: I will always have nested lists of that form, but their length may vary and the symbols may not always have single digit integers in them, e.g.



      e4,e200,e1,e11,e23 -> 4,200,1,11,23


      Many thanks!






      list-manipulation symbols







      share|improve this question













      I have some nested lists of symbols, all of the same format, and I wish to convert them to nested lists of integers, i.e.



      e1,e1,e1,e2 -> 1,1,1,2


      Any quick ways to do this?



      Note: I will always have nested lists of that form, but their length may vary and the symbols may not always have single digit integers in them, e.g.



      e4,e200,e1,e11,e23 -> 4,200,1,11,23


      Many thanks!






      list-manipulation symbols




      list-manipulation symbols






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 18 mins ago









      Daniel Wilson-Nunn

      1705




      1705




















          1 Answer
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          symbols = e4, e200, e1, e11, e23;
          Map[FromDigits@StringDrop[SymbolName[#], 1] &, symbols, -1]



          4, 200, 1, 11, 23




          Map[FromDigits @ StringCases[SymbolName[#], NumberString] &, symbols, -1]



          4, 200, 1, 11, 23






          share




















          • Here's an alternative for Map: Function[sym, ..., Listable].
            – Kuba♦
            2 mins ago










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          1 Answer
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          up vote
          5
          down vote













          symbols = e4, e200, e1, e11, e23;
          Map[FromDigits@StringDrop[SymbolName[#], 1] &, symbols, -1]



          4, 200, 1, 11, 23




          Map[FromDigits @ StringCases[SymbolName[#], NumberString] &, symbols, -1]



          4, 200, 1, 11, 23






          share




















          • Here's an alternative for Map: Function[sym, ..., Listable].
            – Kuba♦
            2 mins ago














          up vote
          5
          down vote













          symbols = e4, e200, e1, e11, e23;
          Map[FromDigits@StringDrop[SymbolName[#], 1] &, symbols, -1]



          4, 200, 1, 11, 23




          Map[FromDigits @ StringCases[SymbolName[#], NumberString] &, symbols, -1]



          4, 200, 1, 11, 23






          share




















          • Here's an alternative for Map: Function[sym, ..., Listable].
            – Kuba♦
            2 mins ago












          up vote
          5
          down vote










          up vote
          5
          down vote









          symbols = e4, e200, e1, e11, e23;
          Map[FromDigits@StringDrop[SymbolName[#], 1] &, symbols, -1]



          4, 200, 1, 11, 23




          Map[FromDigits @ StringCases[SymbolName[#], NumberString] &, symbols, -1]



          4, 200, 1, 11, 23






          share












          symbols = e4, e200, e1, e11, e23;
          Map[FromDigits@StringDrop[SymbolName[#], 1] &, symbols, -1]



          4, 200, 1, 11, 23




          Map[FromDigits @ StringCases[SymbolName[#], NumberString] &, symbols, -1]



          4, 200, 1, 11, 23







          share











          share


          share










          answered 9 mins ago









          kglr

          162k8187386




          162k8187386











          • Here's an alternative for Map: Function[sym, ..., Listable].
            – Kuba♦
            2 mins ago
















          • Here's an alternative for Map: Function[sym, ..., Listable].
            – Kuba♦
            2 mins ago















          Here's an alternative for Map: Function[sym, ..., Listable].
          – Kuba♦
          2 mins ago




          Here's an alternative for Map: Function[sym, ..., Listable].
          – Kuba♦
          2 mins ago

















           

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