github.com/gogf/gf/v2@v2.7.4/util/gvalid/internal/builtin/builtin_passport.go (about) 1 // Copyright GoFrame Author(https://goframe.org). All Rights Reserved. 2 // 3 // This Source Code Form is subject to the terms of the MIT License. 4 // If a copy of the MIT was not distributed with this file, 5 // You can obtain one at https://github.com/gogf/gf. 6 7 package builtin 8 9 import ( 10 "errors" 11 12 "github.com/gogf/gf/v2/text/gregex" 13 ) 14 15 // RulePassport implements `passport` rule: 16 // Universal passport format rule: 17 // Starting with letter, containing only numbers or underscores, length between 6 and 18 18 // 19 // Format: passport 20 type RulePassport struct{} 21 22 func init() { 23 Register(RulePassport{}) 24 } 25 26 func (r RulePassport) Name() string { 27 return "passport" 28 } 29 30 func (r RulePassport) Message() string { 31 return "The {field} value `{value}` is not a valid passport format" 32 } 33 34 func (r RulePassport) Run(in RunInput) error { 35 ok := gregex.IsMatchString( 36 `^[a-zA-Z]{1}\w{5,17}$`, 37 in.Value.String(), 38 ) 39 if ok { 40 return nil 41 } 42 return errors.New(in.Message) 43 }