Files
gf/g/util/gregx/regx.go
2018-04-11 12:05:25 +08:00

65 lines
1.6 KiB
Go

// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://gitee.com/johng/gf.
// 正则表达式.
package gregx
import (
"regexp"
)
// 校验所给定的正则表达式是否符合规范
func Validate(pattern string) error {
_, err := regexp.Compile(pattern)
return err
}
// 正则表达式是否匹配
func IsMatch(pattern string, src []byte) bool {
match, err := regexp.Match(pattern, src)
if err != nil {
return false
}
return match
}
func IsMatchString(pattern string, src string) bool {
return IsMatch(pattern, []byte(src))
}
// 正则匹配,并返回匹配的列表
func MatchString(pattern string, src string) ([]string, error) {
reg, err := regexp.Compile(pattern)
if err != nil {
return nil, err
}
s := reg.FindStringSubmatch(src)
return s, nil
}
func MatchAllString(pattern string, src string) ([][]string, error) {
reg, err := regexp.Compile(pattern)
if err != nil {
return nil, err
}
s := reg.FindAllStringSubmatch(src, -1)
return s, nil
}
// 正则替换(全部替换)
func Replace(pattern string, replace, src []byte) ([]byte, error) {
reg, err := regexp.Compile(pattern)
if err != nil {
return src, err
}
return reg.ReplaceAll(src, replace), nil
}
// 正则替换(全部替换),字符串
func ReplaceString(pattern, replace, src string) (string, error) {
r, e := Replace(pattern, []byte(replace), []byte(src))
return string(r), e
}