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RemoveDiacritics
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RemoveDiacritics

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replaces characters in string that have diacritics by their base ASCII characters, when possible.

Details and Options

Examples

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Basic Examples  (2)Summary of the most common use cases

Remove diacritic marks from a character:

In[1]:=1
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https://wolfram.com/xid/040qfhm88t37pr3o-heqsnr
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/040qfhm88t37pr3o-8x2lt4
Out[2]=2
In[3]:=3
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https://wolfram.com/xid/040qfhm88t37pr3o-6xywsz
Out[3]=3

Normalize an entire string:

In[1]:=1
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https://wolfram.com/xid/040qfhm88t37pr3o-s6564t
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/040qfhm88t37pr3o-lxnvz1
Out[2]=2

Scope  (2)Survey of the scope of standard use cases

RemoveDiacritics automatically threads over lists:

In[1]:=1
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https://wolfram.com/xid/040qfhm88t37pr3o-62xh66
Out[1]=1

RemoveDiacritics works on strings of different scripts:

In[1]:=1
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https://wolfram.com/xid/040qfhm88t37pr3o-yeql9k
Out[1]=1

Options  (2)Common values & functionality for each option

Language  (2)

With Languagelang, RemoveDiacritics will not remove diacritics that are part of the basic alphabet of lang:

In[1]:=1
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https://wolfram.com/xid/040qfhm88t37pr3o-vwd19p
Out[1]=1

By default, Language option is set to $Language. Changing it has the same effect as setting the option:

In[1]:=1
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https://wolfram.com/xid/040qfhm88t37pr3o-nc8ama
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/040qfhm88t37pr3o-0500ql
Out[2]=2

Properties & Relations  (2)Properties of the function, and connections to other functions

For a specified language, applying RemoveDiacritics to the result of Alphabet should return the same list of letters:

In[1]:=1
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https://wolfram.com/xid/040qfhm88t37pr3o-8igohz
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/040qfhm88t37pr3o-8r8l8p
Out[2]=2

Using AlphabeticOrder with IgnoreDiacritics->True is equivalent to using AlphabeticOrder after applying RemoveDiacritics:

In[1]:=1
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https://wolfram.com/xid/040qfhm88t37pr3o-0txdgy
Out[1]=1

Possible Issues  (1)Common pitfalls and unexpected behavior

RemoveDiacritics breaks ligatures in basic ASCII characters when the ligature is not part of the language:

In[1]:=1
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https://wolfram.com/xid/040qfhm88t37pr3o-doznpt
Out[1]=1

If it is part of the basic alphabet of the language, it only removes the diacritics:

In[2]:=2
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https://wolfram.com/xid/040qfhm88t37pr3o-3g4s08
Out[2]=2
Wolfram Research (2015), RemoveDiacritics, Wolfram Language function, https://reference.wolfram.com/language/ref/RemoveDiacritics.html (updated 2015).
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Wolfram Research (2015), RemoveDiacritics, Wolfram Language function, https://reference.wolfram.com/language/ref/RemoveDiacritics.html (updated 2015).

Text

Wolfram Research (2015), RemoveDiacritics, Wolfram Language function, https://reference.wolfram.com/language/ref/RemoveDiacritics.html (updated 2015).

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Wolfram Research (2015), RemoveDiacritics, Wolfram Language function, https://reference.wolfram.com/language/ref/RemoveDiacritics.html (updated 2015).

CMS

Wolfram Language. 2015. "RemoveDiacritics." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2015. https://reference.wolfram.com/language/ref/RemoveDiacritics.html.

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Wolfram Language. 2015. "RemoveDiacritics." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2015. https://reference.wolfram.com/language/ref/RemoveDiacritics.html.

APA

Wolfram Language. (2015). RemoveDiacritics. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/RemoveDiacritics.html

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Wolfram Language. (2015). RemoveDiacritics. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/RemoveDiacritics.html

BibTeX

@misc{reference.wolfram_2025_removediacritics, author="Wolfram Research", title="{RemoveDiacritics}", year="2015", howpublished="\url{https://reference.wolfram.com/language/ref/RemoveDiacritics.html}", note=[Accessed: 14-May-2025 ]}

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@misc{reference.wolfram_2025_removediacritics, author="Wolfram Research", title="{RemoveDiacritics}", year="2015", howpublished="\url{https://reference.wolfram.com/language/ref/RemoveDiacritics.html}", note=[Accessed: 14-May-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_removediacritics, organization={Wolfram Research}, title={RemoveDiacritics}, year={2015}, url={https://reference.wolfram.com/language/ref/RemoveDiacritics.html}, note=[Accessed: 14-May-2025 ]}

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@online{reference.wolfram_2025_removediacritics, organization={Wolfram Research}, title={RemoveDiacritics}, year={2015}, url={https://reference.wolfram.com/language/ref/RemoveDiacritics.html}, note=[Accessed: 14-May-2025 ]}