From ff79c4fe779efc2ff2981517ece446d59cb58ba7 Mon Sep 17 00:00:00 2001
From: HIQ Society <51492452+hiqsociety@users.noreply.github.com>
Date: Fri, 22 Dec 2023 06:21:09 -0500
Subject: [PATCH] Update strings.go

---
 strings.go | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/strings.go b/strings.go
index 4275353..cd2b769 100644
--- a/strings.go
+++ b/strings.go
@@ -8,3 +8,33 @@ func TrimStringFromQuery(s, substr string) string {
 	}
 	return s
 }
+
+func Strpos(haystack, needle string, offset int) int {
+    length := len(haystack)
+    if length == 0 || offset >= length || -offset > length {
+        return -1
+    }
+ 
+    if offset < 0 {
+        offset += length
+    }
+ 
+    for i := offset; i <= length-len(needle); i++ {
+        if haystack[i:i+len(needle)] == needle {
+            return i
+        }
+    }
+ 
+    return -1
+}
+ 
+ 
+func Substr(str string, start uint, length int) string {
+    if int(start) >= len(str) || length == 0 {
+        return ""
+    }
+    if length < 0 || int(start)+length > len(str) {
+        return str[start:]
+    }
+    return str[start : start+uint(length)]
+}