Regex, take last match before suffix [duplicate]











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  • Tempered Greedy Token - What is different about placing the dot before the negative lookahead

    3 answers




I know this is going to sound like the kind of question that's been asked hundreds of times. But I've been searching for over an hour and none of the solution I found worked in my case.



I have many different numbers of the form



d*'?d+.dd



An example of string I work with would be




The base item costs 1'245.48, the tax is of 18.45 and the bonus of 250.00, the total price is of 1'013.93. In case of trouble, contact our e-mail. Bank account 784.45




I want to get ONLY the last match corresponding to my regex before e-mail, i.e 1'013.93. I would like to use only regex, no extra python, javascript or anything



I have tried code inspired by this Regex Last occurrence?, this How to capture only last match in Regex, this Find Last Occurrence of Regex Word, and many other expressions of my own, but so far there always seems to be one piece missing



For example, after successfully selecting the very last number with (d*'?d+.dd)(?!.*d*'?d+.dd), I tried (d*'?d+.dd)(?!.*d*'?d+.dd)(?=e-mail), which does not match anything.



Any insights?










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marked as duplicate by Sebastian Proske, Wiktor Stribiżew regex
Users with the  regex badge can single-handedly close regex questions as duplicates and reopen them as needed.

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Nov 12 at 20:55


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.











  • 2




    In your case that would be (d*'?d+.dd)(?:(?!d+.dd).)*e-mail
    – Sebastian Proske
    Nov 9 at 16:52

















up vote
1
down vote

favorite













This question already has an answer here:




  • Tempered Greedy Token - What is different about placing the dot before the negative lookahead

    3 answers




I know this is going to sound like the kind of question that's been asked hundreds of times. But I've been searching for over an hour and none of the solution I found worked in my case.



I have many different numbers of the form



d*'?d+.dd



An example of string I work with would be




The base item costs 1'245.48, the tax is of 18.45 and the bonus of 250.00, the total price is of 1'013.93. In case of trouble, contact our e-mail. Bank account 784.45




I want to get ONLY the last match corresponding to my regex before e-mail, i.e 1'013.93. I would like to use only regex, no extra python, javascript or anything



I have tried code inspired by this Regex Last occurrence?, this How to capture only last match in Regex, this Find Last Occurrence of Regex Word, and many other expressions of my own, but so far there always seems to be one piece missing



For example, after successfully selecting the very last number with (d*'?d+.dd)(?!.*d*'?d+.dd), I tried (d*'?d+.dd)(?!.*d*'?d+.dd)(?=e-mail), which does not match anything.



Any insights?










share|improve this question















marked as duplicate by Sebastian Proske, Wiktor Stribiżew regex
Users with the  regex badge can single-handedly close regex questions as duplicates and reopen them as needed.

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Nov 12 at 20:55


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.











  • 2




    In your case that would be (d*'?d+.dd)(?:(?!d+.dd).)*e-mail
    – Sebastian Proske
    Nov 9 at 16:52















up vote
1
down vote

favorite









up vote
1
down vote

favorite












This question already has an answer here:




  • Tempered Greedy Token - What is different about placing the dot before the negative lookahead

    3 answers




I know this is going to sound like the kind of question that's been asked hundreds of times. But I've been searching for over an hour and none of the solution I found worked in my case.



I have many different numbers of the form



d*'?d+.dd



An example of string I work with would be




The base item costs 1'245.48, the tax is of 18.45 and the bonus of 250.00, the total price is of 1'013.93. In case of trouble, contact our e-mail. Bank account 784.45




I want to get ONLY the last match corresponding to my regex before e-mail, i.e 1'013.93. I would like to use only regex, no extra python, javascript or anything



I have tried code inspired by this Regex Last occurrence?, this How to capture only last match in Regex, this Find Last Occurrence of Regex Word, and many other expressions of my own, but so far there always seems to be one piece missing



For example, after successfully selecting the very last number with (d*'?d+.dd)(?!.*d*'?d+.dd), I tried (d*'?d+.dd)(?!.*d*'?d+.dd)(?=e-mail), which does not match anything.



Any insights?










share|improve this question
















This question already has an answer here:




  • Tempered Greedy Token - What is different about placing the dot before the negative lookahead

    3 answers




I know this is going to sound like the kind of question that's been asked hundreds of times. But I've been searching for over an hour and none of the solution I found worked in my case.



I have many different numbers of the form



d*'?d+.dd



An example of string I work with would be




The base item costs 1'245.48, the tax is of 18.45 and the bonus of 250.00, the total price is of 1'013.93. In case of trouble, contact our e-mail. Bank account 784.45




I want to get ONLY the last match corresponding to my regex before e-mail, i.e 1'013.93. I would like to use only regex, no extra python, javascript or anything



I have tried code inspired by this Regex Last occurrence?, this How to capture only last match in Regex, this Find Last Occurrence of Regex Word, and many other expressions of my own, but so far there always seems to be one piece missing



For example, after successfully selecting the very last number with (d*'?d+.dd)(?!.*d*'?d+.dd), I tried (d*'?d+.dd)(?!.*d*'?d+.dd)(?=e-mail), which does not match anything.



Any insights?





This question already has an answer here:




  • Tempered Greedy Token - What is different about placing the dot before the negative lookahead

    3 answers








regex






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 9 at 16:56









HugoTeixeira

2,4052921




2,4052921










asked Nov 9 at 16:37









Skum

18210




18210




marked as duplicate by Sebastian Proske, Wiktor Stribiżew regex
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Nov 12 at 20:55


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.






marked as duplicate by Sebastian Proske, Wiktor Stribiżew regex
Users with the  regex badge can single-handedly close regex questions as duplicates and reopen them as needed.

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Nov 12 at 20:55


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.










  • 2




    In your case that would be (d*'?d+.dd)(?:(?!d+.dd).)*e-mail
    – Sebastian Proske
    Nov 9 at 16:52
















  • 2




    In your case that would be (d*'?d+.dd)(?:(?!d+.dd).)*e-mail
    – Sebastian Proske
    Nov 9 at 16:52










2




2




In your case that would be (d*'?d+.dd)(?:(?!d+.dd).)*e-mail
– Sebastian Proske
Nov 9 at 16:52






In your case that would be (d*'?d+.dd)(?:(?!d+.dd).)*e-mail
– Sebastian Proske
Nov 9 at 16:52














2 Answers
2






active

oldest

votes

















up vote
1
down vote



accepted










You could try this:



((d+')?d+(.d+)?)(?=[^d]+e-mail)


The first group matches the number you want. From regex101.com:



enter image description here






share|improve this answer




























    up vote
    1
    down vote













    Something like this with an extra number format check:



    ((d{1,3}')*(d{1,3}).d{2})(?=D+e-mail)


    Demo






    share|improve this answer






























      2 Answers
      2






      active

      oldest

      votes








      2 Answers
      2






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes








      up vote
      1
      down vote



      accepted










      You could try this:



      ((d+')?d+(.d+)?)(?=[^d]+e-mail)


      The first group matches the number you want. From regex101.com:



      enter image description here






      share|improve this answer

























        up vote
        1
        down vote



        accepted










        You could try this:



        ((d+')?d+(.d+)?)(?=[^d]+e-mail)


        The first group matches the number you want. From regex101.com:



        enter image description here






        share|improve this answer























          up vote
          1
          down vote



          accepted







          up vote
          1
          down vote



          accepted






          You could try this:



          ((d+')?d+(.d+)?)(?=[^d]+e-mail)


          The first group matches the number you want. From regex101.com:



          enter image description here






          share|improve this answer












          You could try this:



          ((d+')?d+(.d+)?)(?=[^d]+e-mail)


          The first group matches the number you want. From regex101.com:



          enter image description here







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 9 at 16:55









          HugoTeixeira

          2,4052921




          2,4052921
























              up vote
              1
              down vote













              Something like this with an extra number format check:



              ((d{1,3}')*(d{1,3}).d{2})(?=D+e-mail)


              Demo






              share|improve this answer



























                up vote
                1
                down vote













                Something like this with an extra number format check:



                ((d{1,3}')*(d{1,3}).d{2})(?=D+e-mail)


                Demo






                share|improve this answer

























                  up vote
                  1
                  down vote










                  up vote
                  1
                  down vote









                  Something like this with an extra number format check:



                  ((d{1,3}')*(d{1,3}).d{2})(?=D+e-mail)


                  Demo






                  share|improve this answer














                  Something like this with an extra number format check:



                  ((d{1,3}')*(d{1,3}).d{2})(?=D+e-mail)


                  Demo







                  share|improve this answer














                  share|improve this answer



                  share|improve this answer








                  edited Nov 9 at 17:27

























                  answered Nov 9 at 17:08









                  wp78de

                  9,78951738




                  9,78951738















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