return STHTTPRequest

STTwitter/NSString+STTwitter.h

@@ -21,5 +21,8 @@ extern NSUInteger kSTTwitterDefaultShortURLLengthHTTPS;
 
 // use default values for URL shortening
 - (NSInteger)numberOfCharactersInATweet;
+- (NSString *)stringByConvertingHTMLToPlainText;
+-(NSString *)stringByRemovingURLs;
+-(NSString *)stringByRemovingMentions;
 
 @end

STTwitter/NSString+STTwitter.m

@@ -69,4 +69,70 @@ - (NSInteger)numberOfCharactersInATweet {
                                           shortURLLengthHTTPS:kSTTwitterDefaultShortURLLengthHTTPS];
 }
 
+
+- (NSString *)stringByConvertingHTMLToPlainText {
+    return [[[self stringByReplacingOccurrencesOfString: @"&" withString: @"&"]
+      stringByReplacingOccurrencesOfString: @">" withString: @">"]
+     stringByReplacingOccurrencesOfString: @"&lt;" withString: @"<"];
+
+}
+
+-(NSString *)stringByRemovingURLs{
+    NSString *s = [self precomposedStringWithCanonicalMapping];
+
+
+    NSError *error = nil;
+    NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"(https?://\\S+)"
+                                                                           options:0
+                                                                             error:&error];
+
+    NSArray *matches = [regex matchesInString:s
+                                      options:0
+                                        range:NSMakeRange(0, [s length])];
+
+    NSMutableArray* arr=[[NSMutableArray alloc] init];
+
+    for (NSTextCheckingResult *match in matches) {
+
+        NSString* matchStr=[s substringWithRange:match.range];
+        [arr addObject:matchStr];
+    }
+
+    for (NSString * match in arr) {
+        s=[s stringByReplacingOccurrencesOfString:match withString:@""];
+    }
+
+    return s;
+}
+
+
+-(NSString *)stringByRemovingMentions{
+    NSString *s = [self precomposedStringWithCanonicalMapping];
+
+
+    NSError *error = nil;
+    NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"\\b[@\\w]+\\b"
+                                                                           options:0
+                                                                             error:&error];
+
+    NSArray *matches = [regex matchesInString:s
+                                      options:0
+                                        range:NSMakeRange(0, [s length])];
+
+    NSMutableArray* arr=[[NSMutableArray alloc] init];
+
+    for (NSTextCheckingResult *match in matches) {
+
+        NSString* matchStr=[s substringWithRange:match.range];
+        [arr addObject:matchStr];
+    }
+
+    for (NSString * match in arr) {
+        s=[s stringByReplacingOccurrencesOfString:match withString:@""];
+    }
+
+    return s;
+}
+
+
 @end

STTwitter/STTwitterAPI.h

@@ -364,7 +364,7 @@ NS_ENUM(NSUInteger, STTwitterAPIErrorCode) {
  The Tweet text will be rewritten to include the media URL(s), which will reduce the number of characters allowed in the Tweet text. If the URL(s) cannot be appended without text truncation, the tweet will be rejected and this method will return an HTTP 403 error.
  */
 
-- (void)postStatusUpdate:(NSString *)status
+- (id)postStatusUpdate:(NSString *)status
           mediaDataArray:(NSArray *)mediaDataArray // only one media is currently supported, help/configuration.json returns "max_media_per_upload" = 1
        possiblySensitive:(NSNumber *)possiblySensitive
        inReplyToStatusID:(NSString *)inReplyToStatusID

STTwitter/STTwitterAPI.m

@@ -377,12 +377,12 @@ - (void)postAPIResource:(NSString *)resource
             errorBlock:errorBlock];
 }
 
-- (void)postAPIResource:(NSString *)resource
+- (id)postAPIResource:(NSString *)resource
              parameters:(NSDictionary *)parameters
            successBlock:(void(^)(NSDictionary *rateLimits, id json))successBlock
              errorBlock:(void(^)(NSError *error))errorBlock {
 
-    [self postResource:resource
+   return  [self postResource:resource
          baseURLString:kBaseURLStringAPI
             parameters:parameters
          progressBlock:nil
@@ -827,7 +827,7 @@ - (void)postStatusUpdate:(NSString *)status
     }];
 }
 
-- (void)postStatusUpdate:(NSString *)status
+- (id)postStatusUpdate:(NSString *)status
           mediaDataArray:(NSArray *)mediaDataArray // only one media is currently supported, help/configuration.json returns "max_media_per_upload" = 1
        possiblySensitive:(NSNumber *)possiblySensitive
        inReplyToStatusID:(NSString *)inReplyToStatusID
@@ -852,7 +852,7 @@ - (void)postStatusUpdate:(NSString *)status
     md[@"media[]"] = [mediaDataArray objectAtIndex:0];
     md[kSTPOSTDataKey] = @"media[]";
 
-    [self postAPIResource:@"statuses/update_with_media.json" parameters:md successBlock:^(NSDictionary *rateLimits, id response) {
+    return [self postAPIResource:@"statuses/update_with_media.json" parameters:md successBlock:^(NSDictionary *rateLimits, id response) {
         successBlock(response);
     } errorBlock:^(NSError *error) {
         errorBlock(error);