go正则匹配

package model

import (
   "database/sql/driver"
   "encoding/json"
   "fmt"
   "regexp"
)

type CmdFilter struct {
   Command string `json:"command" comment:"需要过滤的ssh命令 默认正则匹配" form:"command"`
   Msg     string `json:"msg" comment:"告警消息" form:"msg"`
   Enable  uint   `gorm:"default:2" json:"enable" form:"enable" comment:"2-开启 4-关闭"`
}

func (m CmdFilter) IsMatchFilterRule(command string) bool {
   if m.Enable == 4 {
      return false
   }
   re := regexp.MustCompile(fmt.Sprintf(`\b%s\b`, m.Command))
   return re.MatchString(command)
}

type JsonArraySshFilter []CmdFilter

//MatchTest 检测命令是否符合
func (fr JsonArraySshFilter) MatchTest(command string) (rule CmdFilter, isMatch bool) {
   for _, sf := range fr {
      if isMatch = sf.IsMatchFilterRule(command); isMatch {
         rule = sf
         return
      }
   }
   return
}

func (o JsonArraySshFilter) Value() (driver.Value, error) {
   b, err := json.Marshal(o)
   return string(b), err
}

func (o *JsonArraySshFilter) Scan(input interface{}) (err error) {

   switch v := input.(type) {
   case []byte:
      return json.Unmarshal(v, o)
   case string:
      return json.Unmarshal([]byte(v), o)
   default:
      err = fmt.Errorf("unexpected type %T in JsonArraySshFilter", v)
   }
   return err
}