Initial commit

Ifish/views/Photo/LYHelper.m

@@ -0,0 +1,19 @@
+//
+//  LYHelper.m
+//  PhotoShow
+//
+//  Created by 米明 on 16/3/4.
+//  Copyright © 2016年 LY. All rights reserved.
+//
+
+#import "LYHelper.h"
+
+@implementation LYHelper
++(BOOL)isUrl:(NSString *)url{
+    NSString * urlString = @"^(\\w+:\\/\\/)?\\w+(\\.\\w+)+.*$";
+    
+    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", urlString];
+    
+    return [emailTest evaluateWithObject:url];
+}
+@end