例1:
package main import ( "fmt" "regexp" ) func main() { s1 := "Z22WhkC9K$N#wRIbBitpQYUFJqd%d*QVz5Ir7j&CLqz3@FOC2x5CD6ZzvhNdk@5Vv1QU^DHbSc&nBs%4!94ngFH0BJ6GxtXg2$T" reg := regexp.MustCompile(`[^a-zA-Z0-9]`) fmt.Println(reg.FindAllString(s1, -1)) reg = regexp.MustCompile(`[a-zA-Z0-9]`) fmt.Println(reg.FindAllString(s1, -1)) reg = regexp.MustCompile(`[a-z]`) fmt.Println(reg.FindAllString(s1, -1)) reg = regexp.MustCompile(`[A-Z]`) fmt.Println(reg.FindAllString(s1, -1)) reg = regexp.MustCompile(`[0-9]`) fmt.Println(reg.FindAllString(s1, -1)) }
d:\goprojects\src\day1\正则\exp2>go run main.go [$ # % * & @ @ ^ & % ! $] [Z 2 2 W h k C 9 K N w R I b B i t p Q Y U F J q d d Q V z 5 I r 7 j C L q z 3 F O C 2 x 5 C D 6 Z z v h N d k 5 V v 1 Q U D H b S c n B s 4 9 4 n g F H 0 B J 6 G x t X g 2 T] [h k w b i t p q d d z r j q z x z v h d k v b c n s n g x t g] [Z W C K N R I B Q Y U F J Q V I C L F O C C D Z N V Q U D H S B F H B J G X T] [2 2 9 5 7 3 2 5 6 5 1 4 9 4 0 6 2] d:\goprojects\src\day1\正则\exp2>
有疑问加站长微信联系(非本文作者)