SHMARQL

Kleene star

<http://www.wikidata.org/entity/Q849775>

unary operation on sets of strings, used in regular expressions for "zero or more repetitions"
rdfs:label
"Kleene star"@en
skos:altLabel
"0 or more"@en
"Kleene closure"@en
"Kleene operator"@en
"Kleene star operator"@en
"zero or more"@en
schema:description
"unary operation on sets of strings, used in regular expressions for "zero or more repetitions""@en
schema:dateModified "2026-09-06T13:44:30+00:00"^^xsd:dateTime
schema:version 2541102460
wikibase:identifiers 5
wikibase:sitelinks 29
wikibase:statements 25
p:P10565 wd:statement/Q849775-DE4F5853-8860-45AF-A8DC-C5CD557F1434
p:P1269 wd:statement/Q849775-e3a24a63-45bf-cff6-72ec-6565fb23ab69
p:P138 wd:statement/Q849775-7acf7534-42d6-aae0-26e7-e1b0b6f3f9cf
p:P14541 wd:statement/Q849775-89AE0619-0F53-4C30-A943-20960AAD260B
p:P1482 wd:statement/Q849775-74874B5B-7522-4F9E-A0CE-78757F698C9F
p:P1552 wd:statement/Q849775-2dbb861b-43a9-1bc0-bd8e-73ca759da422
p:P1568 wd:statement/Q849775-9a504c72-4b2e-4dad-4025-e5e0aa5c4a09
p:P1889 wd:statement/Q849775-22bd209f-47bc-ba99-3dbc-cfaf9850c924
wd:statement/Q849775-efe27c90-4281-985c-7aa4-5ad04e92535d
p:P2534 wd:statement/Q849775-34a56664-4cdb-dd0d-f4c4-b7d5188c756e
wd:statement/Q849775-71ca85d2-4e9b-5554-a44c-b7f1f1bed00b
p:P31 wd:statement/Q849775-34b1bc2f-4635-729f-f40f-0a483e6d3bbd
wd:statement/Q849775-6869f08c-4bde-99fd-a29a-8e8b8a0f18aa
wd:statement/Q849775-7d00e13b-448a-76e6-85ba-0f2147bb7be5
wd:statement/Q849775-bd2de614-4ae4-b429-a9cf-68d78e924377
p:P6104 wd:statement/Q849775-7014DF4F-FB7E-4CDB-8660-5CA5B1C0E2FA
p:P6366 wd:statement/Q849775-C327EBDB-5026-4B43-BA90-1E43FCA6857C
p:P646 wd:statement/Q849775-D164D2EC-D912-4EDF-83AC-899460681A8C
p:P7235 wd:statement/Q849775-43640cdc-48a9-3c9b-7e2d-bebbf67b31bb
wd:statement/Q849775-9a449e2c-4a8a-bb45-8d43-1e6cec39e77c
wd:statement/Q849775-a933855d-4d16-cfd3-c3d7-7c457c0a5323
wd:statement/Q849775-ae71dceb-46bb-f40c-dd24-8e6fcc68936a
wd:statement/Q849775-b734eb17-4742-4179-bdc3-6cebb7dcf79d
p:P7726 wd:statement/Q849775-07f46267-41a1-a66a-514a-aa67a33689b5
p:P913 wd:statement/Q849775-3c087c83-4667-0f12-f2a1-16c58ec4ebb1
p:direct-normalized/P6366 <https://makg.org/entity/141571987>
wdt:P10565 "29393"
wdt:P1269 regular expression
wdt:P138 Stephen Cole Kleene
wdt:P14541 "4EjcyE"
wdt:P1482 <https://stackoverflow.com/tags/kleene-star>
wdt:P1552 idempotence
wdt:P1568 set
wdt:P1889 wildcard character
Kleene plus
wdt:P2534 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><msup><mi>V</mi><mrow data-mjx-texclass="ORD"><mo stretchy="false">*</mo></mrow></msup><mo stretchy="false">=</mo><mo fence="false" stretchy="false">{</mo><mi>&#x03F5;</mi><mo fence="false" stretchy="false">}</mo><mo stretchy="false">&#x222A;</mo><msup><mi>V</mi><mrow data-mjx-texclass="ORD"><mo stretchy="false">+</mo></mrow></msup></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><msup><mi>V</mi><mrow data-mjx-texclass="ORD"><mo stretchy="false">*</mo></mrow></msup><mo stretchy="false">=</mo><munder><mo stretchy="false">&#x22C3;</mo><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>i</mi><mo stretchy="false">&#x2208;</mo><msub><mrow data-mjx-texclass="ORD"><mi>ℤ</mi></mrow><mrow data-mjx-texclass="ORD"><mo stretchy="false">*</mo></mrow></msub></mrow></mrow></munder><msup><mi>V</mi><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow></msup><mrow data-mjx-texclass="ORD"><mtext>; where&#xA0;</mtext></mrow><msup><mi>V</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msup><mo stretchy="false">=</mo><mi>&#x03F5;</mi><mrow data-mjx-texclass="ORD"><mtext>&#xA0;and&#xA0;</mtext></mrow><msup><mi>V</mi><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow></msup><mo stretchy="false">=</mo><msup><mi>V</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>i</mi><mo stretchy="false">&#x2212;</mo><mn>1</mn></mrow></mrow></msup><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="BIN"><msup><mi></mi><mrow data-mjx-texclass="ORD"><mo stretchy="false">&#x2322;</mo></mrow></msup></mrow></mrow><mi>V</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P31 set operation
mathematical concept
idempotent function
unary operation
wdt:P6104 WikiProject Mathematics
wdt:P6366 "141571987"
wdt:P646 "/m/048gg"
wdt:P7235 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>&#x03F5;</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="BIN"><msup><mi></mi><mrow data-mjx-texclass="ORD"><mo stretchy="false">&#x2322;</mo></mrow></msup></mrow></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><msub><mrow data-mjx-texclass="ORD"><mi>ℤ</mi></mrow><mrow data-mjx-texclass="ORD"><mo stretchy="false">*</mo></mrow></msub></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><msup> <mrow data-mjx-texclass="ORD"><mo stretchy="false">*</mo></mrow></msup></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><msup> <mrow data-mjx-texclass="ORD"><mo stretchy="false">+</mo></mrow></msup></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P7726 "KleeneStar"
wdt:P913 asterisk
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data from SPARQL profile: Wikidata