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str.go
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str.go
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package strx
import "strings"
func SubBefore(s, sep, def string) string {
for i := 0; i < len(s)-len(sep); i++ {
if s[i:i+len(sep)] == sep {
return s[:i]
}
}
return def
}
func SubBeforeLast(s, sep, def string) string {
for i := len(s) - len(sep); i > -1; i-- {
if s[i:i+len(sep)] == sep {
return s[:i]
}
}
return def
}
func SubAfter(s, sep, def string) string {
for i := 0; i < len(s)-len(sep); i++ {
if s[i:i+len(sep)] == sep {
return s[i+len(sep):]
}
}
return def
}
func SubAfterLast(s, sep, def string) string {
for i := len(s) - len(sep); i > -1; i-- {
if s[i:i+len(sep)] == sep {
return s[i+len(sep):]
}
}
return def
}
func TrimStart(s, trim string) string {
if strings.HasPrefix(s, trim) {
return s[len(trim):]
}
return s
}
func TrimEnd(s, trim string) string {
if strings.HasSuffix(s, trim) {
return s[:len(s)-len(trim)]
}
return s
}
func TrimBoth(s, trim string) string {
return TrimStart(TrimEnd(s, trim), trim)
}