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strings.go
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/
strings.go
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package strings
import (
"html"
"math/rand"
"regexp"
"strings"
"time"
)
const charset = `abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789`
func UcFirst(str string) string {
first := strings.ToUpper(str[0:1])
return strings.Join([]string{first, str[1:]}, ``)
}
func UcWords(words ...string) string {
return strings.ReplaceAll(strings.Title(Join(` `, words...)), ` `, ``)
}
func SnakeCase(str string) string {
return strings.ToLower(regexp.MustCompile("([a-z0-9])([A-Z])").ReplaceAllString(str, "${1}_${2}"))
}
func Join(sep string, str ...string) string {
return strings.Join(str, sep)
}
func HTMLEntity(str string) string {
return html.EscapeString(str)
}
func RandWithCharset(length int, charset string) string {
var (
seededRand = rand.New(rand.NewSource(time.Now().UnixNano()))
b = make([]byte,length)
)
for i := range b {
b[i] = charset[seededRand.Intn(len(charset))]
}
return string(b)
}
func Rand(length int) string {
return RandWithCharset(length, charset)
}