publish lancet

strutil/string_util.go

@@ -0,0 +1,40 @@
+package strutil
+
+import "strings"
+
+// splitWordsToLower split a string into worlds by uppercase char
+func splitWordsToLower(s string) []string {
+	var res []string
+
+	upperIndexes := upperIndex(s)
+	l := len(upperIndexes)
+	if upperIndexes == nil || l == 0 {
+		if s != "" {
+			res = append(res, s)
+		}
+		return res
+	}
+	for i := 0; i < l; i++ {
+		if i < l-1 {
+			res = append(res, strings.ToLower(s[upperIndexes[i]:upperIndexes[i+1]]))
+		} else {
+			res = append(res, strings.ToLower(s[upperIndexes[i]:]))
+		}
+	}
+	return res
+}
+
+// upperIndex get a int slice which elements are all the uppercase char index of a string
+func upperIndex(s string) []int {
+	var res []int
+	for i := 0; i < len(s); i++ {
+		if 64 < s[i] && s[i] < 91 {
+			res = append(res, i)
+		}
+	}
+	if len(s) > 0 && res != nil && res[0] != 0 {
+		res = append([]int{0}, res...)
+	}
+
+	return res
+}