How do I change two letters closest to a string and one letter immediately after a string using Notepad++?

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8















I have a list of emails, and I want to change the two letters before "@" and the first letter after "@" using Notepad++.



For example:



username@yourdomain.com


becomes



userna**@*ourdomain.com









share|improve this question



















  • 9





    Just an obvious remark, the concrete example you gave shows how useless this pattern would be to anonymize email addresses. It’s usually better like x******@y***.com

    – eckes
    Mar 15 at 11:11











  • @eckes would that even be possible in N++?

    – WELZ
    Mar 15 at 17:13






  • 3





    @WELZ Yes but its more work, a half working sample would (.)[^@]*@([^.]).*(.[a-z]+) use 3 capture groups which you can address in the replace with string: 1***@2***3 - uses a fixed number of mask characters but this is actually good.

    – eckes
    Mar 15 at 18:17


















8















I have a list of emails, and I want to change the two letters before "@" and the first letter after "@" using Notepad++.



For example:



username@yourdomain.com


becomes



userna**@*ourdomain.com









share|improve this question



















  • 9





    Just an obvious remark, the concrete example you gave shows how useless this pattern would be to anonymize email addresses. It’s usually better like x******@y***.com

    – eckes
    Mar 15 at 11:11











  • @eckes would that even be possible in N++?

    – WELZ
    Mar 15 at 17:13






  • 3





    @WELZ Yes but its more work, a half working sample would (.)[^@]*@([^.]).*(.[a-z]+) use 3 capture groups which you can address in the replace with string: 1***@2***3 - uses a fixed number of mask characters but this is actually good.

    – eckes
    Mar 15 at 18:17














8












8








8


2






I have a list of emails, and I want to change the two letters before "@" and the first letter after "@" using Notepad++.



For example:



username@yourdomain.com


becomes



userna**@*ourdomain.com









share|improve this question
















I have a list of emails, and I want to change the two letters before "@" and the first letter after "@" using Notepad++.



For example:



username@yourdomain.com


becomes



userna**@*ourdomain.com






notepad++






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Mar 16 at 13:53









Peter Mortensen

8,410166185




8,410166185










asked Mar 15 at 8:02









loveman2019loveman2019

473




473







  • 9





    Just an obvious remark, the concrete example you gave shows how useless this pattern would be to anonymize email addresses. It’s usually better like x******@y***.com

    – eckes
    Mar 15 at 11:11











  • @eckes would that even be possible in N++?

    – WELZ
    Mar 15 at 17:13






  • 3





    @WELZ Yes but its more work, a half working sample would (.)[^@]*@([^.]).*(.[a-z]+) use 3 capture groups which you can address in the replace with string: 1***@2***3 - uses a fixed number of mask characters but this is actually good.

    – eckes
    Mar 15 at 18:17













  • 9





    Just an obvious remark, the concrete example you gave shows how useless this pattern would be to anonymize email addresses. It’s usually better like x******@y***.com

    – eckes
    Mar 15 at 11:11











  • @eckes would that even be possible in N++?

    – WELZ
    Mar 15 at 17:13






  • 3





    @WELZ Yes but its more work, a half working sample would (.)[^@]*@([^.]).*(.[a-z]+) use 3 capture groups which you can address in the replace with string: 1***@2***3 - uses a fixed number of mask characters but this is actually good.

    – eckes
    Mar 15 at 18:17








9




9





Just an obvious remark, the concrete example you gave shows how useless this pattern would be to anonymize email addresses. It’s usually better like x******@y***.com

– eckes
Mar 15 at 11:11





Just an obvious remark, the concrete example you gave shows how useless this pattern would be to anonymize email addresses. It’s usually better like x******@y***.com

– eckes
Mar 15 at 11:11













@eckes would that even be possible in N++?

– WELZ
Mar 15 at 17:13





@eckes would that even be possible in N++?

– WELZ
Mar 15 at 17:13




3




3





@WELZ Yes but its more work, a half working sample would (.)[^@]*@([^.]).*(.[a-z]+) use 3 capture groups which you can address in the replace with string: 1***@2***3 - uses a fixed number of mask characters but this is actually good.

– eckes
Mar 15 at 18:17






@WELZ Yes but its more work, a half working sample would (.)[^@]*@([^.]).*(.[a-z]+) use 3 capture groups which you can address in the replace with string: 1***@2***3 - uses a fixed number of mask characters but this is actually good.

– eckes
Mar 15 at 18:17











2 Answers
2






active

oldest

votes


















31














I want to change the two letters before "@" and the first letter after "@"



  • Menu "Search" > "Replace" (or Ctrl + H)


  • Set "Find what" to ..@.


  • Set "Replace with" to **@*


  • Enable "Regular expression"



  • Click "Replace All"



    enter image description here



Before:



username@yourdomain.com


After:



userna**@*ourdomain.com



Further reading



  • How to use regular expressions in Notepad++ (tutorial)

  • Notepad++: A guide to using regular expressions and extended search mode

  • Regular Expressions Tutorial

  • RegExr: Learn, Build, & Test RegEx

  • regex101: Online regex tester and debugger

  • RegExper: Regular Expression Visualiser





share|improve this answer























  • DavidPostill thanks,it worked for me.

    – loveman2019
    Mar 15 at 8:17






  • 7





    @loveman2019 Do you need more help? If this answered your question, please don't forget to accept the answer by clicking the accept button (the tick ✓ button).

    – DavidPostill
    Mar 15 at 8:19











  • I'd say it should be .?.@. as there might not be two characters before @.

    – n0rd
    Mar 16 at 18:55






  • 1





    @n0rd The question specified two characters, but you are correct if there is only one.

    – DavidPostill
    Mar 16 at 19:07


















10














You can do this by using a regex search/replace.



At the bottom, select Regular Expression.



In the Search for entry, you type in: ..@.
In the Replace with, you type in **@*



Then press the button Replace All



This works because Regex searches will only replace if its search criteria matches exactly. The match is explained as follows:



..@. There are 3 dots and an @:




  • @ has no special meaning in regex so it means a literal @.


  • . means any character, exactly once. By writing .. it means 2 characters of any kind, as long as there are 2 characters.





share|improve this answer

























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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    31














    I want to change the two letters before "@" and the first letter after "@"



    • Menu "Search" > "Replace" (or Ctrl + H)


    • Set "Find what" to ..@.


    • Set "Replace with" to **@*


    • Enable "Regular expression"



    • Click "Replace All"



      enter image description here



    Before:



    username@yourdomain.com


    After:



    userna**@*ourdomain.com



    Further reading



    • How to use regular expressions in Notepad++ (tutorial)

    • Notepad++: A guide to using regular expressions and extended search mode

    • Regular Expressions Tutorial

    • RegExr: Learn, Build, & Test RegEx

    • regex101: Online regex tester and debugger

    • RegExper: Regular Expression Visualiser





    share|improve this answer























    • DavidPostill thanks,it worked for me.

      – loveman2019
      Mar 15 at 8:17






    • 7





      @loveman2019 Do you need more help? If this answered your question, please don't forget to accept the answer by clicking the accept button (the tick ✓ button).

      – DavidPostill
      Mar 15 at 8:19











    • I'd say it should be .?.@. as there might not be two characters before @.

      – n0rd
      Mar 16 at 18:55






    • 1





      @n0rd The question specified two characters, but you are correct if there is only one.

      – DavidPostill
      Mar 16 at 19:07















    31














    I want to change the two letters before "@" and the first letter after "@"



    • Menu "Search" > "Replace" (or Ctrl + H)


    • Set "Find what" to ..@.


    • Set "Replace with" to **@*


    • Enable "Regular expression"



    • Click "Replace All"



      enter image description here



    Before:



    username@yourdomain.com


    After:



    userna**@*ourdomain.com



    Further reading



    • How to use regular expressions in Notepad++ (tutorial)

    • Notepad++: A guide to using regular expressions and extended search mode

    • Regular Expressions Tutorial

    • RegExr: Learn, Build, & Test RegEx

    • regex101: Online regex tester and debugger

    • RegExper: Regular Expression Visualiser





    share|improve this answer























    • DavidPostill thanks,it worked for me.

      – loveman2019
      Mar 15 at 8:17






    • 7





      @loveman2019 Do you need more help? If this answered your question, please don't forget to accept the answer by clicking the accept button (the tick ✓ button).

      – DavidPostill
      Mar 15 at 8:19











    • I'd say it should be .?.@. as there might not be two characters before @.

      – n0rd
      Mar 16 at 18:55






    • 1





      @n0rd The question specified two characters, but you are correct if there is only one.

      – DavidPostill
      Mar 16 at 19:07













    31












    31








    31







    I want to change the two letters before "@" and the first letter after "@"



    • Menu "Search" > "Replace" (or Ctrl + H)


    • Set "Find what" to ..@.


    • Set "Replace with" to **@*


    • Enable "Regular expression"



    • Click "Replace All"



      enter image description here



    Before:



    username@yourdomain.com


    After:



    userna**@*ourdomain.com



    Further reading



    • How to use regular expressions in Notepad++ (tutorial)

    • Notepad++: A guide to using regular expressions and extended search mode

    • Regular Expressions Tutorial

    • RegExr: Learn, Build, & Test RegEx

    • regex101: Online regex tester and debugger

    • RegExper: Regular Expression Visualiser





    share|improve this answer













    I want to change the two letters before "@" and the first letter after "@"



    • Menu "Search" > "Replace" (or Ctrl + H)


    • Set "Find what" to ..@.


    • Set "Replace with" to **@*


    • Enable "Regular expression"



    • Click "Replace All"



      enter image description here



    Before:



    username@yourdomain.com


    After:



    userna**@*ourdomain.com



    Further reading



    • How to use regular expressions in Notepad++ (tutorial)

    • Notepad++: A guide to using regular expressions and extended search mode

    • Regular Expressions Tutorial

    • RegExr: Learn, Build, & Test RegEx

    • regex101: Online regex tester and debugger

    • RegExper: Regular Expression Visualiser






    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Mar 15 at 8:10









    DavidPostillDavidPostill

    108k27235271




    108k27235271












    • DavidPostill thanks,it worked for me.

      – loveman2019
      Mar 15 at 8:17






    • 7





      @loveman2019 Do you need more help? If this answered your question, please don't forget to accept the answer by clicking the accept button (the tick ✓ button).

      – DavidPostill
      Mar 15 at 8:19











    • I'd say it should be .?.@. as there might not be two characters before @.

      – n0rd
      Mar 16 at 18:55






    • 1





      @n0rd The question specified two characters, but you are correct if there is only one.

      – DavidPostill
      Mar 16 at 19:07

















    • DavidPostill thanks,it worked for me.

      – loveman2019
      Mar 15 at 8:17






    • 7





      @loveman2019 Do you need more help? If this answered your question, please don't forget to accept the answer by clicking the accept button (the tick ✓ button).

      – DavidPostill
      Mar 15 at 8:19











    • I'd say it should be .?.@. as there might not be two characters before @.

      – n0rd
      Mar 16 at 18:55






    • 1





      @n0rd The question specified two characters, but you are correct if there is only one.

      – DavidPostill
      Mar 16 at 19:07
















    DavidPostill thanks,it worked for me.

    – loveman2019
    Mar 15 at 8:17





    DavidPostill thanks,it worked for me.

    – loveman2019
    Mar 15 at 8:17




    7




    7





    @loveman2019 Do you need more help? If this answered your question, please don't forget to accept the answer by clicking the accept button (the tick ✓ button).

    – DavidPostill
    Mar 15 at 8:19





    @loveman2019 Do you need more help? If this answered your question, please don't forget to accept the answer by clicking the accept button (the tick ✓ button).

    – DavidPostill
    Mar 15 at 8:19













    I'd say it should be .?.@. as there might not be two characters before @.

    – n0rd
    Mar 16 at 18:55





    I'd say it should be .?.@. as there might not be two characters before @.

    – n0rd
    Mar 16 at 18:55




    1




    1





    @n0rd The question specified two characters, but you are correct if there is only one.

    – DavidPostill
    Mar 16 at 19:07





    @n0rd The question specified two characters, but you are correct if there is only one.

    – DavidPostill
    Mar 16 at 19:07













    10














    You can do this by using a regex search/replace.



    At the bottom, select Regular Expression.



    In the Search for entry, you type in: ..@.
    In the Replace with, you type in **@*



    Then press the button Replace All



    This works because Regex searches will only replace if its search criteria matches exactly. The match is explained as follows:



    ..@. There are 3 dots and an @:




    • @ has no special meaning in regex so it means a literal @.


    • . means any character, exactly once. By writing .. it means 2 characters of any kind, as long as there are 2 characters.





    share|improve this answer





























      10














      You can do this by using a regex search/replace.



      At the bottom, select Regular Expression.



      In the Search for entry, you type in: ..@.
      In the Replace with, you type in **@*



      Then press the button Replace All



      This works because Regex searches will only replace if its search criteria matches exactly. The match is explained as follows:



      ..@. There are 3 dots and an @:




      • @ has no special meaning in regex so it means a literal @.


      • . means any character, exactly once. By writing .. it means 2 characters of any kind, as long as there are 2 characters.





      share|improve this answer



























        10












        10








        10







        You can do this by using a regex search/replace.



        At the bottom, select Regular Expression.



        In the Search for entry, you type in: ..@.
        In the Replace with, you type in **@*



        Then press the button Replace All



        This works because Regex searches will only replace if its search criteria matches exactly. The match is explained as follows:



        ..@. There are 3 dots and an @:




        • @ has no special meaning in regex so it means a literal @.


        • . means any character, exactly once. By writing .. it means 2 characters of any kind, as long as there are 2 characters.





        share|improve this answer















        You can do this by using a regex search/replace.



        At the bottom, select Regular Expression.



        In the Search for entry, you type in: ..@.
        In the Replace with, you type in **@*



        Then press the button Replace All



        This works because Regex searches will only replace if its search criteria matches exactly. The match is explained as follows:



        ..@. There are 3 dots and an @:




        • @ has no special meaning in regex so it means a literal @.


        • . means any character, exactly once. By writing .. it means 2 characters of any kind, as long as there are 2 characters.






        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited Mar 15 at 10:40









        Ismael Miguel

        1871215




        1871215










        answered Mar 15 at 8:10









        LPChipLPChip

        36.8k55588




        36.8k55588



























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