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ReleaseHold
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ReleaseHold

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ReleaseHold[expr]

removes Hold, HoldForm, HoldPattern, HoldComplete and HoldCompleteForm in expr.

Details

  • ReleaseHold removes only one layer of Hold etc.; it does not remove inner occurrences in nested Hold etc. functions.

Examples

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Basic Examples  (1)Summary of the most common use cases

In[1]:=1
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https://wolfram.com/xid/0i1pyd2eq-crdlty
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/0i1pyd2eq-gcj55t
Out[2]=2

Scope  (1)Survey of the scope of standard use cases

ReleaseHold removes all standard unevaluated containers:

In[1]:=1
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https://wolfram.com/xid/0i1pyd2eq-voeyp
Out[1]=1

Properties & Relations  (1)Properties of the function, and connections to other functions

ReleaseHold removes only the outermost layer of Hold:

In[1]:=1
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https://wolfram.com/xid/0i1pyd2eq-maz1md
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/0i1pyd2eq-bl52v6
Out[2]=2
Wolfram Research (1991), ReleaseHold, Wolfram Language function, https://reference.wolfram.com/language/ref/ReleaseHold.html (updated 2025).
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Wolfram Research (1991), ReleaseHold, Wolfram Language function, https://reference.wolfram.com/language/ref/ReleaseHold.html (updated 2025).

Text

Wolfram Research (1991), ReleaseHold, Wolfram Language function, https://reference.wolfram.com/language/ref/ReleaseHold.html (updated 2025).

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Wolfram Research (1991), ReleaseHold, Wolfram Language function, https://reference.wolfram.com/language/ref/ReleaseHold.html (updated 2025).

CMS

Wolfram Language. 1991. "ReleaseHold." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2025. https://reference.wolfram.com/language/ref/ReleaseHold.html.

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Wolfram Language. 1991. "ReleaseHold." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2025. https://reference.wolfram.com/language/ref/ReleaseHold.html.

APA

Wolfram Language. (1991). ReleaseHold. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/ReleaseHold.html

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Wolfram Language. (1991). ReleaseHold. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/ReleaseHold.html

BibTeX

@misc{reference.wolfram_2025_releasehold, author="Wolfram Research", title="{ReleaseHold}", year="2025", howpublished="\url{https://reference.wolfram.com/language/ref/ReleaseHold.html}", note=[Accessed: 30-March-2025 ]}

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@misc{reference.wolfram_2025_releasehold, author="Wolfram Research", title="{ReleaseHold}", year="2025", howpublished="\url{https://reference.wolfram.com/language/ref/ReleaseHold.html}", note=[Accessed: 30-March-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_releasehold, organization={Wolfram Research}, title={ReleaseHold}, year={2025}, url={https://reference.wolfram.com/language/ref/ReleaseHold.html}, note=[Accessed: 30-March-2025 ]}

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@online{reference.wolfram_2025_releasehold, organization={Wolfram Research}, title={ReleaseHold}, year={2025}, url={https://reference.wolfram.com/language/ref/ReleaseHold.html}, note=[Accessed: 30-March-2025 ]}