idwma

gc a.csv|%{if($_ -match '^(\d+)(\,.*)'){"{0}{1}" -f ([int]("$i"+"$("{0:d$($n-1)}" -f 0)")+[int]$matches[1]),$matches[2]}else{$_}}
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idwma

回复 4# for_flr

https://docs.microsoft.com/zh-cn/powershell/module/microsoft.powershell.core/about/about_regular_expressions
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idwma

回复 7# 5i365


    $i$n这两变量没加上吗?

idwma

回复 12# 5i365

https://docs.microsoft.com/zh-cn/powershell/module/microsoft.powershell.core/about/about_character_encoding
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