Linux请教一个awk的问题
[root@build-loan include]# awk 'BEGIN {print match("A", /a/)}'
0
[root@build-loan include]# awk 'BEGIN {print match("A", /[a-z]/)}'
1
[root@build-loan include]# LANG=C awk 'BEGIN {print match("A", /[a-z]/)}'
1
请教一下为什么match匹配[a-z]是会返回1。谢谢