On my blog/article posting website in WordPress, some users post special fonts/characters.. Like 

"**Indrė Leonavičiūtė Talks About UX for the Blockchain**" 
If user inserting this above line in Title of post, then i want to validate for ***Leonavičiūtė***, 

I have found this Wordpress function remove\_accents( string $string )
But how to apply this in on content?

[Example how is showing its](https://i.stack.imgur.com/4VQwG.png)

I need to add a validation on wp-admin post submitting, to prevent its.
please help me.