v4.5.1 (#417)

packages/global/common/string/tools.ts

@@ -0,0 +1,22 @@
+import crypto from 'crypto';
+
+export function strIsLink(str?: string) {
+  if (!str) return false;
+  if (/^((http|https)?:\/\/|www\.|\/)[^\s/$.?#].[^\s]*$/i.test(str)) return true;
+  return false;
+}
+
+export const hashStr = (psw: string) => {
+  return crypto.createHash('sha256').update(psw).digest('hex');
+};
+
+/* simple text, remove chinese space and extra \n */
+export const simpleText = (text: string) => {
+  text = text.replace(/([\u4e00-\u9fa5])[\s&&[^\n]]+([\u4e00-\u9fa5])/g, '$1$2');
+  text = text.replace(/\r\n|\r/g, '\n');
+  text = text.replace(/\n{3,}/g, '\n\n');
+  text = text.replace(/[\s&&[^\n]]{2,}/g, ' ');
+  text = text.replace(/[\x00-\x08]/g, ' ');
+
+  return text;
+};