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case.go
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case.go
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package util
import (
"regexp"
"strings"
)
var matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)")
var matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])")
func ToSnakeCase(str string) string {
snake := matchFirstCap.ReplaceAllString(str, "${1}_${2}")
snake = matchAllCap.ReplaceAllString(snake, "${1}_${2}")
return strings.ToLower(snake)
}
func SnakeCaseToCamelCase(inputUnderScoreStr string) (camelCase string) {
//snake_case to camelCase
isToUpper := false
for k, v := range inputUnderScoreStr {
if k == 0 {
camelCase = strings.ToLower(string(inputUnderScoreStr[0]))
} else {
if isToUpper {
camelCase += strings.ToUpper(string(v))
isToUpper = false
} else {
if v == '_' {
isToUpper = true
} else if v == '-' {
isToUpper = true
} else {
camelCase += string(v)
}
}
}
}
return
}
func ToDashCase(str string) string {
snake := matchFirstCap.ReplaceAllString(str, "${1}-${2}")
snake = matchAllCap.ReplaceAllString(snake, "${1}-${2}")
//snake = matchAllCap.ReplaceAllString("_", "-")
return strings.ToLower(snake)
}