Leave a comment (0) 作者：小项-怪物猪

echo "HHFH" | sed 's/[A-Z]\+/\L&/g'

s后面紧跟的/ 是分隔符号。貌似是任意的

Freebsd：

[dsppa@i18n ~]$ echo "HHFH" | sed 's/[A-Z]\+/\L&/g'
HHFH
[dsppa@i18n ~]$ echo $SHELL
/usr/local/bin/bash

Ubunu :

buysz@Buysz-Home:~$ echo "KJKGJ" | sed 's/[A-Z]\+/\L&/g'
kjkgj
buysz@Buysz-Home:~$ echo $SHELL
/bin/bash