555 lines
32 KiB
Go
555 lines
32 KiB
Go
package stringx
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"reflect"
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"regexp"
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"regexp/syntax"
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"sort"
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"strconv"
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"strings"
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"unicode"
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"unsafe"
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"git.cloudyne.io/go/hiscaler-gox/slicex"
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"golang.org/x/text/width"
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)
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var (
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rxEmoji = regexp.MustCompile(`[\x{1F3F4}](?:\x{E0067}\x{E0062}\x{E0077}\x{E006C}\x{E0073}\x{E007F})|[\x{1F3F4}](?:\x{E0067}\x{E0062}\x{E0073}\x{E0063}\x{E0074}\x{E007F})|[\x{1F3F4}](?:\x{E0067}\x{E0062}\x{E0065}\x{E006E}\x{E0067}\x{E007F})|[\x{1F3F4}](?:\x{200D}\x{2620}\x{FE0F})|[\x{1F3F3}](?:\x{FE0F}\x{200D}\x{1F308})|[\x{0023}\x{002A}\x{0030}\x{0031}\x{0032}\x{0033}\x{0034}\x{0035}\x{0036}\x{0037}\x{0038}\x{0039}](?:\x{FE0F}\x{20E3})|[\x{1F441}](?:\x{FE0F}\x{200D}\x{1F5E8}\x{FE0F})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F467}\x{200D}\x{1F467})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F467}\x{200D}\x{1F466})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F467})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F466}\x{200D}\x{1F466})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F466})|[\x{1F468}](?:\x{200D}\x{1F468}\x{200D}\x{1F467}\x{200D}\x{1F467})|[\x{1F468}](?:\x{200D}\x{1F468}\x{200D}\x{1F466}\x{200D}\x{1F466})|[\x{1F468}](?:\x{200D}\x{1F468}\x{200D}\x{1F467}\x{200D}\x{1F466})|[\x{1F468}](?:\x{200D}\x{1F468}\x{200D}\x{1F467})|[\x{1F468}](?:\x{200D}\x{1F468}\x{200D}\x{1F466})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F469}\x{200D}\x{1F467}\x{200D}\x{1F467})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F469}\x{200D}\x{1F466}\x{200D}\x{1F466})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F469}\x{200D}\x{1F467}\x{200D}\x{1F466})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F469}\x{200D}\x{1F467})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F469}\x{200D}\x{1F466})|[\x{1F469}](?:\x{200D}\x{2764}\x{FE0F}\x{200D}\x{1F469})|[\x{1F469}\x{1F468}](?:\x{200D}\x{2764}\x{FE0F}\x{200D}\x{1F468})|[\x{1F469}](?:\x{200D}\x{2764}\x{FE0F}\x{200D}\x{1F48B}\x{200D}\x{1F469})|[\x{1F469}\x{1F468}](?:\x{200D}\x{2764}\x{FE0F}\x{200D}\x{1F48B}\x{200D}\x{1F468})|[\x{1F468}\x{1F469}](?:\x{1F3FF}\x{200D}\x{1F9B3})|[\x{1F468}\x{1F469}](?:\x{1F3FE}\x{200D}\x{1F9B3})|[\x{1F468}\x{1F469}](?:\x{1F3FD}\x{200D}\x{1F9B3})|[\x{1F468}\x{1F469}](?:\x{1F3FC}\x{200D}\x{1F9B3})|[\x{1F468}\x{1F469}](?:\x{1F3FB}\x{200D}\x{1F9B3})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F9B3})|[\x{1F468}\x{1F469}](?:\x{1F3FF}\x{200D}\x{1F9B2})|[\x{1F468}\x{1F469}](?:\x{1F3FE}\x{200D}\x{1F9B2})|[\x{1F468}\x{1F469}](?:\x{1F3FD}\x{200D}\x{1F9B2})|[\x{1F468}\x{1F469}](?:\x{1F3FC}\x{200D}\x{1F9B2})|[\x{1F468}\x{1F469}](?:\x{1F3FB}\x{200D}\x{1F9B2})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F9B2})|[\x{1F468}\x{1F469}](?:\x{1F3FF}\x{200D}\x{1F9B1})|[\x{1F468}\x{1F469}](?:\x{1F3FE}\x{200D}\x{1F9B1})|[\x{1F468}\x{1F469}](?:\x{1F3FD}\x{200D}\x{1F9B1})|[\x{1F468}\x{1F469}](?:\x{1F3FC}\x{200D}\x{1F9B1})|[\x{1F468}\x{1F469}](?:\x{1F3FB}\x{200D}\x{1F9B1})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F9B1})|[\x{1F468}\x{1F469}](?:\x{1F3FF}\x{200D}\x{1F9B0})|[\x{1F468}\x{1F469}](?:\x{1F3FE}\x{200D}\x{1F9B0})|[\x{1F468}\x{1F469}](?:\x{1F3FD}\x{200D}\x{1F9B0})|[\x{1F468}\x{1F469}](?:\x{1F3FC}\x{200D}\x{1F9B0})|[\x{1F468}\x{1F469}](?:\x{1F3FB}\x{200D}\x{1F9B0})|[\x{1F468}\x{1F469}](?:\x{200D}\x{1F9B0})|[\x{1F575}\x{1F3CC}\x{26F9}\x{1F3CB}](?:\x{FE0F}\x{200D}\x{2640}\x{FE0F})|[\x{1F575}\x{1F3CC}\x{26F9}\x{1F3CB}](?:\x{FE0F}\x{200D}\x{2642}\x{FE0F})|[\x{1F46E}\x{1F575}\x{1F482}\x{1F477}\x{1F473}\x{1F471}\x{1F9D9}\x{1F9DA}\x{1F9DB}\x{1F9DC}\x{1F9DD}\x{1F64D}\x{1F64E}\x{1F645}\x{1F646}\x{1F481}\x{1F64B}\x{1F647}\x{1F926}\x{1F937}\x{1F486}\x{1F487}\x{1F6B6}\x{1F3C3}\x{1F9D6}\x{1F9D7}\x{1F9D8}\x{1F3CC}\x{1F3C4}\x{1F6A3}\x{1F3CA}\x{26F9}\x{1F3CB}\x{1F6B4}\x{1F6B5}\x{1F938}\x{1F93D}\x{1F93E}\x{1F939}](?:\x{1F3FF}\x{200D}\x{2640}\x{FE0F})|[\x{1F46E}\x{1F575}\x{1F482}\x{1F477}\x{1F473}\x{1F471}\x{1F9D9}\x{1F9DA}\x{1F9DB}\x{1F9DC}\x{1F9DD}\x{1F64D}\x{1F64E}\x{1F645}\x{1F646}\x{1F481}\x{1F64B}\x{1F647}\x{1F926}\x{1F937}\x{1F486}\x{1F487}\x{1F6B6}\x{1F3C3}\x{1F9D6}\x{1F9D7}\x{1F9D8}\x{1F3CC}\x{1F3C4}\x{1F6A3}\x{1F3CA}\x{26F9}\x{1F3CB}\x{1F6B4}\x{1F6B5}\x{1F938}\x{1F93D}\x{1F93E}\x{1F939}](?:\x{1F3FE}\x{200D}\x{2640}\x{FE0F})|[\x{1F46E}\x{1F575}\x{1F482}\x{1F477}\x{1F473}\x{1F471}\x{1F9D9}\x{1F9DA}\x{1F9DB}\x{1F9DC}\x{1F9DD}\x{1F64D}\x{1F64E}\x{1F645}\x{1F646}\x{1F481}\x{1F64B}\x{1F647}\x{1F926}\x{1F937}\x{1F486}\x{1F487}\x{1F6B6}\x{1F3C3}\x{1F9D6}\x{1F9D7}\x{1F9D8}\x{1F3CC}\x{1F3C4}\x{1F6A3}\x{1F3CA}\x{26F9}\x{1F3CB}\x{1F6B4}\x{1F6B5}\x{1F938}\x{1F93D}\x{1F93E}\x{1F939}](?:\x{1F3FD}\x{200D}\x{2640}\x{FE0F})|[\x{1F46E}\x{1F575}\x{1F482}\x{1F477}\x{1F473}\x{1F471}\x{1F9D9}\x{1F9DA}\x{1F9DB}\x{1F9DC}\x{1F9DD}\x{1F64D}\x{1F64E}\x{1F645}\x{1F646}\x{1F481}\x{1F64B}\x{1F647}\x{1F926}\x{1F937}\x{1F486}\x{1F487}\x{1F6B6}\x{1F3C3}\x{1F9D6}\x{1F9D7}\x{1F9D8}\x{1F3CC}\x{1F3C4}\x{1F6A3}\x{1F3CA}\x{26F9}\x{1F3CB}\x{1F6B4}\x{1F6B5}\x{1F938}\x{1F93D}\x{1F93E}\x{1F939}](?:\x{1F3FC}\x{200D}\x{2640}\x{FE0F})|[\x{1F46E}\x{1F575}\x{1F482}\x{1F477}\x{1F473}\x{1F471}\x{1F9D9}\x{1F9DA}\x{1F9DB}\x{1F9DC}\x{1F9DD}\x{1F64D}\x{1F64E}\x{1F645}\x{1F646}\x{1F481}\x{1F64B}\x{1F647}\x{1F926}\x{1F937}\x{1F486}\x{1F487}\x{1F6B6}\x{1F3C3}\x{1F9D6}\x{1F9D7}\x{1F9D8}\x{1F3CC}\x{1F3C4}\x{1F6A3}\x{1F3CA}\x{26F9}\x{1F3CB}\x{1F6B4}\x{1F6B5}\x{1F938}\x{1F93D}\x{1F93E}\x{1F939}](?:\x{1F3FB}\x{200D}\x{2640}\x{FE0F})|[\x{1F46E}\x{1F9B8}\x{1F9B9}\x{1F482}\x{1F477}\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{1F1F9}\x{1F1FA}\x{1F1FB}\x{1F1FF}](?:\x{1F1E6})|[\x{00A9}\x{00AE}\x{203C}\x{2049}\x{2122}\x{2139}\x{2194}-\x{2199}\x{21A9}-\x{21AA}\x{231A}-\x{231B}\x{2328}\x{23CF}\x{23E9}-\x{23F3}\x{23F8}-\x{23FA}\x{24C2}\x{25AA}-\x{25AB}\x{25B6}\x{25C0}\x{25FB}-\x{25FE}\x{2600}-\x{2604}\x{260E}\x{2611}\x{2614}-\x{2615}\x{2618}\x{261D}\x{2620}\x{2622}-\x{2623}\x{2626}\x{262A}\x{262E}-\x{262F}\x{2638}-\x{263A}\x{2640}\x{2642}\x{2648}-\x{2653}\x{2660}\x{2663}\x{2665}-\x{2666}\x{2668}\x{267B}\x{267E}-\x{267F}\x{2692}-\x{2697}\x{2699}\x{269B}-\x{269C}\x{26A0}-\x{26A1}\x{26AA}-\x{26AB}\x{26B0}-\x{26B1}\x{26BD}-\x{26BE}\x{26C4}-\x{26C5}\x{26C8}\x{26CE}-\x{26CF}\x{26D1}\x{26D3}-\x{26D4}\x{26E9}-\x{26EA}\x{26F0}-\x{26F5}\x{26F7}-\x{26FA}\x{26FD}\x{2702}\x{2705}\x{2708}-\x{270D}\x{270F}\x{2712}\x{2714}\x{2716}\x{271D}\x{2721}\x{2728}\x{2733}-\x{2734}\x{2744}\x{2747}\x{274C}\x{274E}\x{2753}-\x{2755}\x{2757}\x{2763}-\x{2764}\x{2795}-\x{2797}\x{27A1}\x{27B0}\x{27BF}\x{2934}-\x{2935}\x{2B05}-\x{2B07}\x{2B1B}-\x{2B1C}\x{2B50}\x{2B55}\x{3030}\x{303D}\x{3297}\x{3299}\x{1F004}\x{1F0CF}\x{1F170}-\x{1F171}\x{1F17E}-\x{1F17F}\x{1F18E}\x{1F191}-\x{1F19A}\x{1F201}-\x{1F202}\x{1F21A}\x{1F22F}\x{1F232}-\x{1F23A}\x{1F250}-\x{1F251}\x{1F300}-\x{1F321}\x{1F324}-\x{1F393}\x{1F396}-\x{1F397}\x{1F399}-\x{1F39B}\x{1F39E}-\x{1F3F0}\x{1F3F3}-\x{1F3F5}\x{1F3F7}-\x{1F3FA}\x{1F400}-\x{1F4FD}\x{1F4FF}-\x{1F53D}\x{1F549}-\x{1F54E}\x{1F550}-\x{1F567}\x{1F56F}-\x{1F570}\x{1F573}-\x{1F57A}\x{1F587}\x{1F58A}-\x{1F58D}\x{1F590}\x{1F595}-\x{1F596}\x{1F5A4}-\x{1F5A5}\x{1F5A8}\x{1F5B1}-\x{1F5B2}\x{1F5BC}\x{1F5C2}-\x{1F5C4}\x{1F5D1}-\x{1F5D3}\x{1F5DC}-\x{1F5DE}\x{1F5E1}\x{1F5E3}\x{1F5E8}\x{1F5EF}\x{1F5F3}\x{1F5FA}-\x{1F64F}\x{1F680}-\x{1F6C5}\x{1F6CB}-\x{1F6D2}\x{1F6E0}-\x{1F6E5}\x{1F6E9}\x{1F6EB}-\x{1F6EC}\x{1F6F0}\x{1F6F3}-\x{1F6F9}\x{1F910}-\x{1F93A}\x{1F93C}-\x{1F93E}\x{1F940}-\x{1F945}\x{1F947}-\x{1F970}\x{1F973}-\x{1F976}\x{1F97A}\x{1F97C}-\x{1F9A2}\x{1F9B0}-\x{1F9B9}\x{1F9C0}-\x{1F9C2}\x{1F9D0}-\x{1F9FF}]`)
|
||
rxExtraSpace = regexp.MustCompile("\\s{2,}")
|
||
)
|
||
|
||
// IsEmpty 判断字符串是否为空
|
||
func IsEmpty(s string) bool {
|
||
return len(s) == 0
|
||
}
|
||
|
||
func IsBlank(s string) bool {
|
||
return s == "" || strings.TrimSpace(s) == ""
|
||
}
|
||
|
||
// ToNumber 字符串转换为唯一数字
|
||
// https://stackoverflow.com/questions/5459436/how-can-i-generate-a-unique-int-from-a-unique-string
|
||
func ToNumber(s string) int {
|
||
number := 0
|
||
runes := []rune(s)
|
||
for i, r := range runes {
|
||
x := 0
|
||
if i != 0 {
|
||
x = int(runes[i-1])
|
||
}
|
||
number += ((x << 16) | (x >> 16)) ^ int(r)
|
||
}
|
||
return number
|
||
}
|
||
|
||
func ContainsChinese(str string) bool {
|
||
if str == "" {
|
||
return false
|
||
}
|
||
|
||
for _, v := range str {
|
||
if unicode.Is(unicode.Han, v) {
|
||
return true
|
||
}
|
||
}
|
||
return false
|
||
}
|
||
|
||
// ToNarrow Full width string to half width
|
||
func ToNarrow(str string) string {
|
||
return width.Narrow.String(str)
|
||
}
|
||
|
||
// ToWiden Half with string to full width
|
||
func ToWiden(str string) string {
|
||
return width.Widen.String(str)
|
||
}
|
||
|
||
// Split split word by special seps, use empty string if seps is empty
|
||
func Split(str string, separators ...string) []string {
|
||
if len(separators) == 0 {
|
||
return []string{str}
|
||
}
|
||
|
||
texts := make([]string, 0)
|
||
if str != "" {
|
||
n := len(separators)
|
||
parts := strings.Split(str, separators[0])
|
||
if n == 1 {
|
||
texts = parts
|
||
} else {
|
||
n -= 2
|
||
for i, sep := range separators[1:] {
|
||
m := len(parts)
|
||
for _, part := range parts {
|
||
for _, s := range strings.Split(part, sep) {
|
||
s = strings.TrimSpace(s)
|
||
if s == "" {
|
||
continue
|
||
}
|
||
if n == i {
|
||
texts = append(texts, s)
|
||
} else {
|
||
parts = append(parts, s)
|
||
}
|
||
}
|
||
}
|
||
parts = append(parts[:0], parts[m:]...)
|
||
}
|
||
}
|
||
}
|
||
return texts
|
||
}
|
||
|
||
func String(value interface{}) string {
|
||
switch val := value.(type) {
|
||
case []byte:
|
||
return string(val)
|
||
case string:
|
||
return val
|
||
}
|
||
v := reflect.ValueOf(value)
|
||
switch v.Kind() {
|
||
case reflect.Invalid:
|
||
return ""
|
||
case reflect.Bool:
|
||
return strconv.FormatBool(v.Bool())
|
||
case reflect.String:
|
||
return v.String()
|
||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
||
return strconv.FormatInt(v.Int(), 10)
|
||
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
||
return strconv.FormatUint(v.Uint(), 10)
|
||
case reflect.Float64:
|
||
return strconv.FormatFloat(v.Float(), 'f', -1, 64)
|
||
case reflect.Float32:
|
||
return strconv.FormatFloat(v.Float(), 'f', -1, 32)
|
||
case reflect.Ptr, reflect.Struct, reflect.Map, reflect.Slice, reflect.Array:
|
||
if b, err := json.Marshal(v.Interface()); err == nil {
|
||
return string(b)
|
||
} else {
|
||
return ""
|
||
}
|
||
default:
|
||
return fmt.Sprintf("%v", value)
|
||
}
|
||
}
|
||
|
||
// RemoveEmoji 清理 Emoji 表情
|
||
func RemoveEmoji(str string, trim bool) string {
|
||
if trim {
|
||
str = strings.TrimSpace(str)
|
||
}
|
||
if str != "" {
|
||
str = rxEmoji.ReplaceAllString(str, "")
|
||
}
|
||
return str
|
||
}
|
||
|
||
// TrimAny 移除头部和尾部指定的内容
|
||
func TrimAny(s string, sets ...string) string {
|
||
if s == "" || len(sets) == 0 {
|
||
return s
|
||
}
|
||
|
||
trimSpace := false
|
||
fixedSets := make([]string, 0)
|
||
for _, set := range sets {
|
||
n := 0
|
||
for _, r := range set {
|
||
if unicode.IsSpace(r) {
|
||
n++
|
||
}
|
||
}
|
||
if n == len(set) {
|
||
trimSpace = true
|
||
} else {
|
||
fixedSets = append(fixedSets, set) // 不包括空白字符
|
||
}
|
||
}
|
||
|
||
if trimSpace {
|
||
s = strings.TrimSpace(s)
|
||
if s == "" {
|
||
return s
|
||
}
|
||
}
|
||
|
||
if len(fixedSets) == 0 {
|
||
return s
|
||
}
|
||
|
||
// 降序
|
||
sort.Slice(fixedSets, func(i, j int) bool {
|
||
return len(fixedSets[i]) > len(fixedSets[j])
|
||
})
|
||
|
||
minL := len(fixedSets[0])
|
||
for i := range fixedSets {
|
||
n := len(fixedSets[i])
|
||
if n < minL {
|
||
minL = n
|
||
}
|
||
}
|
||
|
||
index := -1
|
||
for i, set := range fixedSets {
|
||
if len(set) == minL {
|
||
index = i
|
||
break
|
||
}
|
||
}
|
||
|
||
values := [][]string{fixedSets[0:index], slicex.StringSliceReverse(fixedSets)}
|
||
for _, value := range values {
|
||
for {
|
||
hitCounts := 0
|
||
for _, set := range value {
|
||
setLen := len(set)
|
||
ss := []string{set}
|
||
start := StartsWith(s, ss, false)
|
||
if start {
|
||
s = s[setLen:]
|
||
if trimSpace {
|
||
s = strings.TrimSpace(s)
|
||
}
|
||
}
|
||
end := EndsWith(s, ss, false)
|
||
if end {
|
||
if len(s) > setLen {
|
||
s = s[0 : len(s)-setLen]
|
||
}
|
||
if trimSpace {
|
||
s = strings.TrimSpace(s)
|
||
}
|
||
}
|
||
if s == "" {
|
||
hitCounts = 0
|
||
break
|
||
} else if start || end {
|
||
hitCounts++
|
||
}
|
||
}
|
||
if hitCounts == 0 {
|
||
break
|
||
}
|
||
}
|
||
}
|
||
|
||
return s
|
||
}
|
||
|
||
// RemoveExtraSpace 移除多余的空格
|
||
func RemoveExtraSpace(s string) string {
|
||
if s != "" {
|
||
s = strings.TrimSpace(s)
|
||
}
|
||
if s == "" {
|
||
return s
|
||
}
|
||
return rxExtraSpace.ReplaceAllLiteralString(strings.Replace(s, " ", " ", -1), " ")
|
||
}
|
||
|
||
func ToBytes(s string) []byte {
|
||
sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
|
||
bh := reflect.SliceHeader{
|
||
Data: sh.Data,
|
||
Len: sh.Len,
|
||
Cap: sh.Len,
|
||
}
|
||
return *(*[]byte)(unsafe.Pointer(&bh))
|
||
}
|
||
|
||
// WordMatched 判断 s 中是否包含指定的 words 单词
|
||
// 对于英文必须是单词形式，比如 he 不能匹配 hello world，只能匹配 hello|world
|
||
// 如果是中文的话，则会使用 Index 进行判断，不等于 -1 则判断为匹配
|
||
func WordMatched(s string, words []string, caseSensitive bool) bool {
|
||
if s == "" || len(words) == 0 {
|
||
return false
|
||
}
|
||
|
||
var b strings.Builder
|
||
if !caseSensitive {
|
||
b.WriteString("(?i)")
|
||
}
|
||
b.WriteString(`(^|([\s\t\n]+))(`)
|
||
replacer := strings.NewReplacer(
|
||
"\\\\", "\\\\\\",
|
||
"(", "\\(",
|
||
"|", "\\|",
|
||
")", "\\)",
|
||
"^", "\\^",
|
||
"$", "\\$",
|
||
".", "\\.",
|
||
"[", "\\[",
|
||
"*", "\\*",
|
||
"+", "\\+",
|
||
"?", "\\?",
|
||
"{", "\\{",
|
||
"-", "\\-",
|
||
",", "\\,",
|
||
)
|
||
for i, word := range words {
|
||
n := 0
|
||
word = strings.TrimSpace(word)
|
||
for _, w := range word {
|
||
if !syntax.IsWordChar(w) {
|
||
n++
|
||
}
|
||
}
|
||
if n == len(word) {
|
||
return false
|
||
}
|
||
|
||
if i != 0 {
|
||
b.WriteString("|")
|
||
}
|
||
b.WriteString(replacer.Replace(word))
|
||
}
|
||
b.WriteString(`)($|([\s\t\n]+))`)
|
||
if re, err := regexp.Compile(b.String()); err == nil {
|
||
if re.MatchString(s) {
|
||
return true
|
||
}
|
||
}
|
||
|
||
// 正则匹配失败后还需要判断是否为中文，为中文的话则直接使用 Index 函数进行判断是否存在
|
||
if !caseSensitive {
|
||
s = strings.ToLower(s)
|
||
}
|
||
for _, word := range words {
|
||
if ContainsChinese(word) {
|
||
if !caseSensitive {
|
||
word = strings.ToLower(word)
|
||
}
|
||
if strings.Index(s, word) != -1 {
|
||
return true
|
||
}
|
||
}
|
||
}
|
||
return false
|
||
}
|
||
|
||
func StartsWith(s string, ss []string, caseSensitive bool) bool {
|
||
n := len(s)
|
||
if ss == nil || n == 0 {
|
||
return true
|
||
}
|
||
|
||
has := false
|
||
for _, prefix := range ss {
|
||
m := len(prefix)
|
||
if m == 0 {
|
||
has = true
|
||
} else {
|
||
if m <= n {
|
||
if caseSensitive {
|
||
has = strings.HasPrefix(s, prefix)
|
||
} else {
|
||
ns := s
|
||
if n-m > 0 {
|
||
ns = s[0:m]
|
||
}
|
||
has = strings.EqualFold(ns, prefix)
|
||
}
|
||
}
|
||
}
|
||
if has {
|
||
break
|
||
}
|
||
}
|
||
return has
|
||
}
|
||
|
||
func EndsWith(s string, ss []string, caseSensitive bool) bool {
|
||
n := len(s)
|
||
if ss == nil || n == 0 {
|
||
return true
|
||
}
|
||
|
||
has := false
|
||
for _, suffix := range ss {
|
||
m := len(suffix)
|
||
if m == 0 {
|
||
has = true
|
||
} else {
|
||
if m <= n {
|
||
if caseSensitive {
|
||
has = strings.HasSuffix(s, suffix)
|
||
} else {
|
||
ns := s
|
||
if n-m > 0 {
|
||
ns = s[n-m:]
|
||
}
|
||
has = strings.EqualFold(ns, suffix)
|
||
}
|
||
}
|
||
}
|
||
if has {
|
||
break
|
||
}
|
||
}
|
||
return has
|
||
}
|
||
|
||
func Contains(s string, ss []string, caseSensitive bool) bool {
|
||
if len(ss) == 0 {
|
||
return false
|
||
}
|
||
|
||
if !caseSensitive {
|
||
s = strings.ToLower(s)
|
||
}
|
||
for _, substr := range ss {
|
||
if substr == "" {
|
||
return true
|
||
} else {
|
||
if !caseSensitive {
|
||
substr = strings.ToLower(substr)
|
||
}
|
||
if strings.Contains(s, substr) {
|
||
return true
|
||
}
|
||
}
|
||
}
|
||
return false
|
||
}
|
||
|
||
func QuoteMeta(s string) string {
|
||
if s == "" {
|
||
return s
|
||
}
|
||
|
||
var buf bytes.Buffer
|
||
buf.Grow(len(s))
|
||
for _, char := range s {
|
||
switch char {
|
||
case '.', '+', '\\', '(', ')', '[', ']', '$', '^', '*', '?':
|
||
buf.WriteRune('\\')
|
||
}
|
||
buf.WriteRune(char)
|
||
}
|
||
return buf.String()
|
||
}
|
||
|
||
// HexToByte 16进制字符串转 []byte
|
||
// Like pack("H*", string) in PHP
|
||
func HexToByte(hex string) []byte {
|
||
length := len(hex) / 2
|
||
bytes := make([]byte, length)
|
||
rs := []rune(hex)
|
||
|
||
for i := 0; i < length; i++ {
|
||
s := string(rs[i*2 : i*2+2])
|
||
value, _ := strconv.ParseInt(s, 16, 10)
|
||
bytes[i] = byte(value & 0xFF)
|
||
}
|
||
return bytes
|
||
}
|
||
|
||
// SequentialWordFields
|
||
// 将 s 字符串根据指定的分隔符分隔为 1 - n 个连续单词组合的词组
|
||
// 单词前后的非字母和数字将会移除掉（比如 help? 将会变成 help），单词中间的则不会处理（a?b 包含在单词中间的 ? 不会处理）
|
||
//
|
||
// stringx.SequentialWordFields("this is a string, are you sure?", 1, ",") => ["this", "is", "a", "string", "are", "you", "sure"]
|
||
// stringx.SequentialWordFields("this is a string, are you sure?", 2, ",") => ["this", "is", "a", "string", "are", "you", "sure", "this is", "is a", "a string", "are you", "you sure"]
|
||
func SequentialWordFields(s string, n int, separators ...string) []string {
|
||
s = strings.TrimSpace(s)
|
||
if s == "" {
|
||
return nil
|
||
}
|
||
|
||
fields := make(map[string]string, 0)
|
||
sections := Split(s, separators...)
|
||
fnCleanWord := func(word string) string {
|
||
if word == "" {
|
||
return ""
|
||
}
|
||
return strings.TrimFunc(word, func(r rune) bool {
|
||
return !unicode.IsLetter(r) && !unicode.IsNumber(r)
|
||
})
|
||
}
|
||
sb := strings.Builder{}
|
||
for _, section := range sections {
|
||
words := strings.Fields(section)
|
||
maxN := len(words)
|
||
validN := n
|
||
if n > maxN {
|
||
validN = maxN
|
||
}
|
||
for i, word := range words {
|
||
word = fnCleanWord(word)
|
||
if word == "" {
|
||
continue
|
||
}
|
||
fieldKey := strings.ToLower(word)
|
||
if _, ok := fields[fieldKey]; !ok {
|
||
fields[fieldKey] = word
|
||
}
|
||
if n > 1 {
|
||
validN = i + n
|
||
if validN > maxN {
|
||
validN = maxN
|
||
}
|
||
for jj := validN; jj > i; jj-- {
|
||
sb.Reset()
|
||
for ii := i; ii < jj; ii++ {
|
||
w := fnCleanWord(words[ii])
|
||
if w != "" {
|
||
sb.WriteString(w)
|
||
if ii < jj-1 {
|
||
sb.WriteRune(' ')
|
||
}
|
||
}
|
||
}
|
||
if sb.Len() > 0 {
|
||
fieldKey = strings.ToLower(sb.String())
|
||
if _, ok := fields[fieldKey]; !ok {
|
||
fields[fieldKey] = sb.String()
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if len(fields) == 0 {
|
||
return nil
|
||
}
|
||
items := make([]string, len(fields))
|
||
i := 0
|
||
for _, v := range fields {
|
||
items[i] = v
|
||
i++
|
||
}
|
||
return items
|
||
}
|
||
|
||
// Len 获取字符串长度（一个中文算 1）
|
||
func Len(s string) int {
|
||
return len([]rune(s))
|
||
}
|
||
|
||
// UpperFirst 首字母大写
|
||
func UpperFirst(s string) string {
|
||
r := []rune(s)
|
||
if len(s) > 0 && unicode.IsLetter(r[0]) && unicode.IsLower(r[0]) {
|
||
r[0] -= 32
|
||
return string(r)
|
||
}
|
||
return s
|
||
}
|
||
|
||
// LowerFirst 首字母小写
|
||
func LowerFirst(s string) string {
|
||
r := []rune(s)
|
||
if len(s) > 0 && unicode.IsLetter(r[0]) && unicode.IsUpper(r[0]) {
|
||
r[0] += 32
|
||
return string(r)
|
||
}
|
||
return s
|
||
}
|