#!/bin/bash [[ $1 =~ ^[0-9]$ ]] && echo 1 || echo 0
Bekey
Bekey
#!/bin/bash [[ $1 =~ ^[0-9]$ ]] && echo 1 || echo 0
shell if 判断匹配1位数字
https://blog.coolsre.com/archives/shell-if-pan-duan-pi-pei-1wei-shu-zi
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