regex for renamig files using powershell script












1















i am looking for a way to remove (file-number) part from file name (file-number).extension and put number in front of file name before a underline.
so new pics (1).jpg will be renamed to 1_new pics.jpg



i have tried ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3'}but i couldnt find a working one










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  • 1





    A man had a problem. He used regular expressions. Now he has two problems.

    – juhist
    Feb 23 at 10:25
















1















i am looking for a way to remove (file-number) part from file name (file-number).extension and put number in front of file name before a underline.
so new pics (1).jpg will be renamed to 1_new pics.jpg



i have tried ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3'}but i couldnt find a working one










share|improve this question




















  • 1





    A man had a problem. He used regular expressions. Now he has two problems.

    – juhist
    Feb 23 at 10:25














1












1








1








i am looking for a way to remove (file-number) part from file name (file-number).extension and put number in front of file name before a underline.
so new pics (1).jpg will be renamed to 1_new pics.jpg



i have tried ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3'}but i couldnt find a working one










share|improve this question
















i am looking for a way to remove (file-number) part from file name (file-number).extension and put number in front of file name before a underline.
so new pics (1).jpg will be renamed to 1_new pics.jpg



i have tried ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3'}but i couldnt find a working one







windows powershell regex file-management






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edited Feb 23 at 13:09







Ahmad

















asked Feb 23 at 10:23









AhmadAhmad

84




84








  • 1





    A man had a problem. He used regular expressions. Now he has two problems.

    – juhist
    Feb 23 at 10:25














  • 1





    A man had a problem. He used regular expressions. Now he has two problems.

    – juhist
    Feb 23 at 10:25








1




1





A man had a problem. He used regular expressions. Now he has two problems.

– juhist
Feb 23 at 10:25





A man had a problem. He used regular expressions. Now he has two problems.

– juhist
Feb 23 at 10:25










1 Answer
1






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oldest

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0














This did it for me:



ls | Rename-Item -NewName {$_ -replace '(.*)((d+)).(.*)', '$2_$1.$3' }





share|improve this answer
























  • ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3' } this one removes space between filename and extension in output

    – Ahmad
    Feb 23 at 13:16











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1 Answer
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active

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0














This did it for me:



ls | Rename-Item -NewName {$_ -replace '(.*)((d+)).(.*)', '$2_$1.$3' }





share|improve this answer
























  • ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3' } this one removes space between filename and extension in output

    – Ahmad
    Feb 23 at 13:16
















0














This did it for me:



ls | Rename-Item -NewName {$_ -replace '(.*)((d+)).(.*)', '$2_$1.$3' }





share|improve this answer
























  • ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3' } this one removes space between filename and extension in output

    – Ahmad
    Feb 23 at 13:16














0












0








0







This did it for me:



ls | Rename-Item -NewName {$_ -replace '(.*)((d+)).(.*)', '$2_$1.$3' }





share|improve this answer













This did it for me:



ls | Rename-Item -NewName {$_ -replace '(.*)((d+)).(.*)', '$2_$1.$3' }






share|improve this answer












share|improve this answer



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answered Feb 23 at 11:56









harrymcharrymc

263k14271580




263k14271580













  • ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3' } this one removes space between filename and extension in output

    – Ahmad
    Feb 23 at 13:16



















  • ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3' } this one removes space between filename and extension in output

    – Ahmad
    Feb 23 at 13:16

















ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3' } this one removes space between filename and extension in output

– Ahmad
Feb 23 at 13:16





ls | rename-item -newname {$_ -replace '(.*) ((d+)).(.*)', '$2_$1.$3' } this one removes space between filename and extension in output

– Ahmad
Feb 23 at 13:16


















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