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package rtool
import (
"strings"
"sync"
)
// DeletePrev0 删除掉前面的0,或多个0
func DeletePrev0(s string) string {
for i := 0; i < len(s); i++ {
if s[i] == '0' {
continue
}
return s[i:]
}
return ""
}
// DeleteAllSpace 删除掉空格,tab,回车,换行
func DeleteAllSpace(s string) string {
var temp = make([]byte, len(s))
var index = 0
for i := 0; i < len(s); i++ {
if s[i] < 0x80 {
switch s[i] {
case ' ', '\t', '\n', '\v', '\f', '\r':
continue
}
}
temp[index] = s[i]
index++
}
s = strings.ReplaceAll(string(temp[:index]), string(0x85), "")
s = strings.ReplaceAll(s, string(0xA0), "")
return s
}
// DeleteAllSpaceReplace 删除掉空格,tab,回车,换行;采用Replace的方式
func DeleteAllSpaceReplace(s string) string {
s = strings.ReplaceAll(s, " ", "")
s = strings.ReplaceAll(s, "\t", "")
s = strings.ReplaceAll(s, "\n", "")
s = strings.ReplaceAll(s, "\v", "")
s = strings.ReplaceAll(s, "\f", "")
s = strings.ReplaceAll(s, "\r", "")
s = strings.ReplaceAll(s, string(0x85), "")
s = strings.ReplaceAll(s, string(0xA0), "")
return s
}
// DeleteRepeat 删除重复项,不改变元素顺序
func DeleteRepeat[T IntUintString](src []T) []T {
var tempMap = sync.Map{}
var rt []T
for _, d := range src {
if _, ok := tempMap.Load(d); ok {
continue
}
tempMap.Store(d, byte(1))
rt = append(rt, d)
}
return rt
}
// DeleteRepeatVMap 删除重复项,map随机元素的顺序
func DeleteRepeatVMap[T IntUintString](src []T) []T {
var tempMap = make(map[T]byte)
for _, d := range src {
tempMap[d] = 0
}
var rt = make([]T, 0, len(src))
for k := range tempMap {
rt = append(rt, k)
}
return rt
}
// DeleteRepeatAndShuffle 删除重复项,然后使用洗牌算法打乱顺序
func DeleteRepeatAndShuffle[T IntUintString](src []T) []T {
length := len(src)
if length <= 0 || length == 1 {
return src
}
for i := 0; i < length; i++ {
index := randSource.Intn(length)
src[i], src[index] = src[index], src[i]
}
return src
}
// DeleteRepeatAndEmpty 删除重复项和空字符串项,不改变元素顺序
func DeleteRepeatAndEmpty(src []string) []string {
var tempMap = sync.Map{}
var rt []string
for _, d := range src {
if d == "" {
continue
}
if _, ok := tempMap.Load(d); ok {
continue
}
tempMap.Store(d, byte(1))
rt = append(rt, d)
}
return rt
}
// DeleteRepeatAndZero 删除重复项和0值项,不改变元素顺序
func DeleteRepeatAndZero(src []int) []int {
var tempMap = sync.Map{}
var rt []int
for _, d := range src {
if d == 0 {
continue
}
if _, ok := tempMap.Load(d); ok {
continue
}
tempMap.Store(d, byte(1))
rt = append(rt, d)
}
return rt
}
// DeleteLengthLimit 删除掉长度不符合要求的
func DeleteLengthLimit(src []string, minLength int, maxLength int) []string {
var rt []string
for _, d := range src {
if len(d) < minLength || len(d) > maxLength {
continue
}
rt = append(rt, d)
}
return rt
}
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