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ntool/nstr/filter.go

58 lines
1.5 KiB
Go

1 year ago
package nstr
import "strings"
/*************************************************************
* String filtering
*************************************************************/
// Trim string. if cutSet is empty, will trim SPACE.
func Trim(s string, cutSet ...string) string {
if ln := len(cutSet); ln > 0 && cutSet[0] != "" {
if ln == 1 {
return strings.Trim(s, cutSet[0])
}
return strings.Trim(s, strings.Join(cutSet, ""))
}
return strings.TrimSpace(s)
}
// Ltrim alias of TrimLeft
func Ltrim(s string, cutSet ...string) string { return TrimLeft(s, cutSet...) }
// LTrim alias of TrimLeft
func LTrim(s string, cutSet ...string) string { return TrimLeft(s, cutSet...) }
// TrimLeft char in the string. if cutSet is empty, will trim SPACE.
func TrimLeft(s string, cutSet ...string) string {
if ln := len(cutSet); ln > 0 && cutSet[0] != "" {
if ln == 1 {
return strings.TrimLeft(s, cutSet[0])
}
return strings.TrimLeft(s, strings.Join(cutSet, ""))
}
return strings.TrimLeft(s, " ")
}
// Rtrim alias of TrimRight
func Rtrim(s string, cutSet ...string) string { return TrimRight(s, cutSet...) }
// RTrim alias of TrimRight
func RTrim(s string, cutSet ...string) string { return TrimRight(s, cutSet...) }
// TrimRight char in the string. if cutSet is empty, will trim SPACE.
func TrimRight(s string, cutSet ...string) string {
if ln := len(cutSet); ln > 0 && cutSet[0] != "" {
if ln == 1 {
return strings.TrimRight(s, cutSet[0])
}
return strings.TrimRight(s, strings.Join(cutSet, ""))
}
return strings.TrimRight(s, " ")
}