找出同一种数字在不同位置

cfwyy

回复 9# Shell_HAT

哈哈 谢谢版主告知。可能是我代码发的不多，以前一直不知道有这个问题。

Looiml

sed -rn '/[a-z]/!d;/.{31}/d;/^[a-z]*([0-9])[a-z]*\1[a-z]*$/p;/^[a-z]*([0-9])\1[a-z]*\1\1[a-z]*$/p' a

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