73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
package strutil
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import "strings"
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/*************************************************************
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* String filtering
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*************************************************************/
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// Trim string. if cutSet is empty, will trim SPACE.
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func Trim(s string, cutSet ...string) string {
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if ln := len(cutSet); ln > 0 && cutSet[0] != "" {
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if ln == 1 {
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return strings.Trim(s, cutSet[0])
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}
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return strings.Trim(s, strings.Join(cutSet, ""))
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}
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return strings.TrimSpace(s)
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}
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// Ltrim alias of TrimLeft
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func Ltrim(s string, cutSet ...string) string { return TrimLeft(s, cutSet...) }
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// LTrim alias of TrimLeft
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func LTrim(s string, cutSet ...string) string { return TrimLeft(s, cutSet...) }
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// TrimLeft char in the string. if cutSet is empty, will trim SPACE.
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func TrimLeft(s string, cutSet ...string) string {
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if ln := len(cutSet); ln > 0 && cutSet[0] != "" {
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if ln == 1 {
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return strings.TrimLeft(s, cutSet[0])
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}
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return strings.TrimLeft(s, strings.Join(cutSet, ""))
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}
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return strings.TrimLeft(s, " ")
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}
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// Rtrim alias of TrimRight
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func Rtrim(s string, cutSet ...string) string { return TrimRight(s, cutSet...) }
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// RTrim alias of TrimRight
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func RTrim(s string, cutSet ...string) string { return TrimRight(s, cutSet...) }
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// TrimRight char in the string. if cutSet is empty, will trim SPACE.
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func TrimRight(s string, cutSet ...string) string {
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if ln := len(cutSet); ln > 0 && cutSet[0] != "" {
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if ln == 1 {
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return strings.TrimRight(s, cutSet[0])
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}
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return strings.TrimRight(s, strings.Join(cutSet, ""))
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}
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return strings.TrimRight(s, " ")
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}
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// FilterEmail filter email, clear invalid chars.
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func FilterEmail(s string) string {
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s = strings.TrimSpace(s)
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i := strings.LastIndex(s, "@")
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if i == -1 {
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return s
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}
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// According to rfc5321, "The local-part of a mailbox MUST BE treated as case-sensitive"
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return s[0:i] + "@" + strings.ToLower(s[i+1:])
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}
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// func Filter(ss []string, fls ...comdef.StringMatchFunc) []string {
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// }
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