From 623e03ddc808240743331176ad62dde274abf67c Mon Sep 17 00:00:00 2001
From: Cornelius Rautenbach <cornel.rautenbach@gmail.com>
Date: Thu, 16 Sep 2021 10:54:26 +0200
Subject: [PATCH] Added string utils
---
.gitignore | 1 +
string_utils/string_utils.go | 85 ++++++++++++++++++++++++++++++++++++
2 files changed, 86 insertions(+)
create mode 100644 string_utils/string_utils.go
diff --git a/.gitignore b/.gitignore
index 66fd13c..474488e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
# Dependency directories (remove the comment below to include it)
# vendor/
+.idea
diff --git a/string_utils/string_utils.go b/string_utils/string_utils.go
new file mode 100644
index 0000000..9afd034
--- /dev/null
+++ b/string_utils/string_utils.go
@@ -0,0 +1,85 @@
+package string_utils
+
+import (
+ "golang.org/x/text/runes"
+ "golang.org/x/text/transform"
+ "golang.org/x/text/unicode/norm"
+ "regexp"
+ "strconv"
+ "strings"
+ "unicode"
+)
+
+// ReplaceNonSpacingMarks removes diacritics e.g. êžů becomes ezu
+func ReplaceNonSpacingMarks(str string) string {
+ t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC) // Mn: non-spacing marks
+ result, _, _ := transform.String(t, str)
+ return result
+}
+
+func RemoveAllWhiteSpaces(s string) string {
+ return strings.ReplaceAll(strings.ReplaceAll(s, " ", ""), "\t", "")
+}
+
+func ReplaceCaseInsensitive(string, toReplace, replaceWith string) string {
+ regex := regexp.MustCompile("(?i)" + strings.ToLower(toReplace))
+ return regex.ReplaceAllString(string, replaceWith)
+}
+
+// StringTrimQuotes - trims quotes from a string (ie: "foo" will return foo)
+func StringTrimQuotes(stringToTrim string) string {
+ if len(stringToTrim) >= 2 {
+ if stringToTrim[0] == '"' && stringToTrim[len(stringToTrim)-1] == '"' {
+ return stringToTrim[1 : len(stringToTrim)-1]
+ }
+ }
+
+ return stringToTrim
+}
+
+// IsNumericString returns true if the string can be converted to a float without error
+func IsNumericString(s string) bool {
+ _, err := strconv.ParseFloat(s, 64)
+ return err == nil
+}
+
+// Standardise phone numbers with +27 instead of 0 prefix
+func StandardisePhoneNumber(number string) string {
+ // is the first rune/char of the string a 0
+ if []rune(number)[0] == []rune("0")[0] {
+ // Add south african country code (hardcoded for now)
+ number = "+27" + number[1:len(number)]
+ }
+ return number
+}
+
+func FormatPhoneNumber(phoneNumber string) string {
+ if len(phoneNumber) > 7 {
+ return phoneNumber
+ }
+
+ // Format as 076 453 2188
+ phoneNumber = InsertInto(phoneNumber, 3, " ")
+ phoneNumber = InsertInto(phoneNumber, 7, " ")
+ return phoneNumber
+}
+
+func InsertInto(s string, index int, characters string) string {
+ return s[:index] + characters + s[index:]
+}
+
+func IsAlphaNumeric(str string) bool {
+ regex := regexp.MustCompile("^[a-zA-Z0-9]*$")
+ return regex.MatchString(str)
+}
+
+func Equal(a string, b string) bool {
+ return strings.TrimSpace(strings.ToLower(a)) == strings.TrimSpace(strings.ToLower(b))
+}
+
+func UnwrapString(s *string) string {
+ if s == nil {
+ return ""
+ }
+ return *s
+}
\ No newline at end of file
--
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