Refactor simenticallyEqual function to validate input strings for allowed characters before comparison. Introduced isComposedOfAllowedChars helper function to check for valid characters, enhancing input validation.

Author: HaloWang

pages/content/src/simenticallyEqual.ts

@@ -1,13 +1,16 @@
 /* eslint-disable arrow-body-style */
-const normalizeString = (str: string): string => {
-  return str
-    .replace(/^[^a-zA-Z]+|[^a-zA-Z]+$/g, '') // 移除首尾的非英文字母字符
-    .toLowerCase(); // 转换为小写
+const isComposedOfAllowedChars = (str: string): boolean => {
+  // 检查字符串是否只包含英文字母、特殊符号和空格
+  return /^[a-zA-Z\s!@#$%^&*()_+\-=\\[\]{};':"\\|,.<>\\/?`~]+$/.test(str);
 };
 
 // 主要针对 x.com 的 user 和 hashtag
 export const simenticallyEqual = (a: string, b: string) => {
-  const isEqual = normalizeString(a) === normalizeString(b);
+  // 检查 a 和 b 是否都由英文字母、特殊符号和空格组成
+  const aIsValid = isComposedOfAllowedChars(a);
+  const bIsValid = isComposedOfAllowedChars(b);
+
+  const isEqual = aIsValid && bIsValid;
   if (isEqual) {
     console.log({ a, b }, isEqual);
   }