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What Special Characters Work in Hashtags

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Hashtags have become an integral part of online communication, especially on platforms like Twitter and Instagram. They're not just for show; they boost discoverability, facilitate discussions, and even drive engagement. But what special characters are allowed in hashtags? Let's delve into the world of hashtags and explore the character limitations and acceptable symbols.

Before we dive into the special characters, it's crucial to understand that a hashtag must start with a hash (#) symbol followed by a word or an unbroken sequence of non-space characters. So, what else can you include and what should you avoid?

Allowed Characters in Hashtags

A hashtag can contain letters (uppercase and lowercase), numbers, and underscores (_). These are the basic characters allowed. However, when it comes to special characters, things get a bit more interesting.

Hashtags on Pinterest
Hashtags on Pinterest
the top ever - trending & widely used hashtags are almost always useful to boot reach
the top ever - trending & widely used hashtags are almost always useful to boot reach
75+ Instagram illustration Hashtags (Updated!) - Viral Tags
75+ Instagram illustration Hashtags (Updated!) - Viral Tags

You can use the dollar sign ($), the ampersand (&), and the plus (+) sign. But be cautious about spaces, as these are not allowed in hashtags. Thus, it's common to use the underscore or capitalize each word to signify spaces, like #ThisIsARegularHashtag or #this_is_a_regular_hashtag.

Special Characters: Symbols & Accent Marks

What about symbols? While most symbols are not permitted, some platforms support a limited set. For instance, Twitter accepts the registered trademark symbol (®), the copyright symbol (©), and the trademark symbol (™). But be aware, not all platforms support these.

someone has posted their name on the back of a sign that says, click here for a do full of symbols just like this website
someone has posted their name on the back of a sign that says, click here for a do full of symbols just like this website
Insta hashtags - what's the story in 2025?
Insta hashtags - what's the story in 2025?
an instagram page with the message'60 hashs every female internet user must use on
an instagram page with the message'60 hashs every female internet user must use on

As for accent marks and other diacritics, Instagram supports them, but Twitter doesn't. So, it's always wise to check the platform-specific guidelines to avoid disappointments.

Special Characters: Emojis & Emoticons

Emojis and emoticons are currently unsupported in hashtags on major platforms like Twitter and Instagram. While you can use them in your posts, they won't function as hashtags. For instance, #🚀 won't work like a regular hashtag.

However, this could change in the future. Platforms are continuously updating their features, so keep an eye out for any changes to the emoji policy.

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Instagram hashtags in 2026, win with the 5-tag limit
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200+ Best Instagram Hashtags for Your Photos
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Grow your business on Instagram💖✔
Grow your business on Instagram💖✔
What You Should Know about Hashtags on Pinterest
What You Should Know about Hashtags on Pinterest

What's Not Allowed in Hashtags?

Now that we've discussed what's allowed, let's touch on what's not. As mentioned, hashtags are not case-sensitive on most platforms, so #ThisIsAHashTag and #thisisahashtag refer to the same topic.

However, spaces are not permitted. So, #This Is A Hashtag is not the same as #ThisIsAHashtag. Additionally, punctuation marks like commas, periods, exclamation marks, and question marks are not allowed.

In the realm of hashtags, cutting through the noise and making your content discoverable is key. So, make sure to use relevant, unique, and platform-specific hashtags to maximize your reach. Happy hashtagging!

the new rules for instagram hashs are here and it's easy to use
the new rules for instagram hashs are here and it's easy to use
the top 30 instagram hashs are displayed on a green background
the top 30 instagram hashs are displayed on a green background
a white couch sitting in front of a window with the words 4 hashs you need to get more followers
a white couch sitting in front of a window with the words 4 hashs you need to get more followers
FINALLY
FINALLY