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$Str = 'ABCBDB' $x = 2 ;替换第几个 $R0 = 'B' ;要替换的 $R1 = "B0'" ;替换成的 $Str = StringRegExpReplace($Str, '(.*?)((?:' & $R0 & '.*?){' & $x - 1 & '})(.*?)(' & $R0 & ')(.*)', '$1$2${3}' & $R1 & '$5') MsgBox(0, '替换后', $Str)
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$Str = 'ABCBDBA' $R0 = 'B' ;要替换的 $R1 = "B0'" ;替换成的 $Str = StringRegExpReplace($Str, '(.*)(' & $R0 & ')(.*)', '${1}' & $R1 & '$3') MsgBox(0, '替换后', $Str)
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