Merge pull request #7066 from rohitwaghchaure/pos_barcode_search_issue

[fix] Barcode and special character issue in the search box of the POS

erpnext/accounts/doctype/sales_invoice/pos.py

@@ -123,7 +123,7 @@ def get_items_list(pos_profile):
 		select
 			name, item_code, item_name, description, item_group, expense_account, has_batch_no,
 			has_serial_no, expense_account, selling_cost_center, stock_uom, image, 
-			default_warehouse, is_stock_item
+			default_warehouse, is_stock_item, barcode
 		from
 			tabItem
 		where

erpnext/accounts/page/pos/pos.js

@@ -444,7 +444,7 @@ erpnext.pos.PointOfSale = erpnext.taxes_and_totals.extend({
 			})
 		}
 
-		key =  this.search.$input.val().toLowerCase();
+		key =  this.search.$input.val().toLowerCase().replace(/[&\/\\#,+()\[\]$~.'":*?<>{}]/g,'\\$&');
 		var re = new RegExp('%', 'g');
 		var reg = new RegExp(key.replace(re, '[\\w*\\s*[a-zA-Z0-9]*]*'))
 		search_status = true