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Regex Generator

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Ka bayyana abin da kake so ka haɗu da shi cikin Ingilishi mai sauƙi kuma ka samu wani regex na musamman na ɗanɗano - PCRE, JavaScript, Python, Go (RE2), ko POSIX - tare da bayani na mataki-da-mataki da mai gwada rayuwa yana nuna haɗuwa da rashin daidaituwa.

KCharselect unicode block name

Mode

Intent

Model

Describe the pattern

Misalin rubutu da za'a yi gwaji da shi (na zaɓa)

Ka bayyana siffar.

Regex

Explanation + test cases

Result

Yi halitta da nau'ikan regex daga harshe na halitta tare da AI.

Yadda ake amfani da shi Regex Generator

Enter your input

Ka rubuta rubutu, ka shigar da fayil, ko ka bayyana abin da kake so. Babu bukatar asusun.

Danna don ƙirƙira

Our AI processes your request in seconds using the best open-source models.

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Ka saukar, ka kwafe, ko ka raba sakamakonka. Kyauta ga amfanin kai da na kasuwanci.

Yi amfani da wannan kayan aiki ta hanyar API

Yi amfani da wannan kayan aiki daga lissafinka na kai tsaye. REST na ƙarshe mai haɗin kai na OpenAI, amincewa da token mai ɗaukar kaya, babu buƙatar SDK na musamman. Kudin token sun haɗu da haɗin yanar gizo.

API Documentation Get API Key

curl -X POST https://api.free.ai/v1/chat/ \
  -H "Authorization: Bearer sk-free-..." \
  -H "Content-Type: application/json" \
  -d '{"model": "qwen-coder", "messages": [{"role": "user", "content": "Write a Python function that reverses a string."}]}'

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Tattauna da GitHub Repo

Q&A

KCharselect unicode block name

Mai ƙãga halittar JavaScript

Mai Shirya HTML

CSS Generator

Regex Generator — FAQ

Ka bayyana abin da kake so ka haɗu da shi cikin Ingilishi mai sauƙi ("US zip codes", "all URLs except localhost", "balanced parentheses up to depth 3") kuma ka dawo da wani regex mai daidaituwa tare da wani zanen harshe mai fahimta (PCRE, JavaScript, Python re, Go regexp, POSIX), bayani mai mataki-da-mataki, da fanel na gwaji mai nuna waƙoƙin gaskiya da suke haɗuwa da waɗanda ba su haɗu ba.

Regex101 / Regexr / Debuggex are EXPLAINER tools — you write the regex, they explain it. Free.ai is a GENERATOR — you describe what you need in English, it writes the regex. Use Free.ai for the first draft, then paste into Regex101 to test against your live data. Combined workflow saves hours over hand-writing regexes from a cheat sheet.

PCRE (diff a cikin PHP, Perl, mafi yawan kayan aiki na Linux na yau da kullum). JavaScript (browser + Node, babu lookbehind a cikin Safari ≤16.3). Python re (da ya fi kusa da PCRE, babu masu yawanci masu mallaka). Go regexp (RE2 — babu backreferences, babu lookarounds, amma lokaci-da-daidaitacce an tabbatar da aminci). POSIX BRE/ERE (grep, sed ba tare da -E ba). Zaɓi wanda harshenku na manufa ke amfani da shi — halaye kamar lookbehind / masu yawanci masu mallaka / ƙungiyoyi masu suna ba su da sauki a cikin dukkanin nau'ukan.

Honest answer: no regex matches every real-world input perfectly. Email validation alone has a 6,425-character "RFC 5322 compliant" regex nobody actually uses. Free.ai targets the 99% case for the use you describe and warns about known edge cases in the explanation (e.g., "this matches example.co.uk but not example.museum"). Always test against real data before shipping to production.

Na'am — sanya regex cikin akwatin bayani da aka yi da "fassara: " (misal, `fassara: ^(?=.*[A-Z])(?=.*\d).{8,}$`) kuma siffar za ta raba kowace alamun da ta nuna maka abin da take daidaita. Yi amfani da /code/explain/ domin bayyanar da ke da alaƙa da alamun.

Na'am — idan irin da aka zaba ya goyi bayan su. PCRE/Python/JS na yarda da kallo baya mai kyau/masu illa da kuma kallo gaba; backreferences na aiki a cikin PCRE/Python/Java amma BAYA a cikin Go (RE2). Wannan siffar tana zaɓar mafi sauki daidaitattun ginawa kuma tana gargaɗi idan wani siffar bai zama mai sauya ba.

Lokacin da aka tambaye ka ka haɗu da "harshe" ko "halaye na kalma" maɓallin yana amfani da nau'ikan Unicode-aware (`\p{L}`, `\p{N}` a cikin PCRE/Python/Java; `[\p{L}]` tare da `u` flag a cikin JavaScript) a matsayin na baya ASCII-kaɗai `[a-zA-Z]`. Ka ambaci "ASCII kawai" a cikin tambaya idan kana so ka yi amfani da halayen baya.

An umurci wannan siffar da ta kauce wa kwatantawa masu haɗe kamar `(.+)+` da ke haifar da ReDoS. Ga Go (RE2) injin yana tabbatar da lokaci mai tsawo don haka wannan ba zai yiwu ba ta hanyar gina. Ga PCRE/JS/Python, ka tabbata ka gwada shigarwa mai tsawo bayan — sanya cikin Regex101 da wata 10,000-character string kuma ka duba na'urar lissafa matakai.

ChatGPT (GPT-4) yana kula da regex sosai amma yana kashe $20/mo kuma yanayin ba a daidaita regex ba. Free.ai's system prompt forces explicit flavor + match/non-match test cases + complexity warnings. Self-hosted Qwen 3 Coder yana kyauta a ƙarƙashin pool na alamun yau da kullun. Don siffofin da ba a saba gani ba, premium GPT-5 yana da kyau tare da alamun biyan kuɗi.

Na'am — saka wani regex kuma ka tambayi "canza wannan Python regex zuwa Go RE2". Wannan siffar tana sake rubuta shi ta amfani da siffofin da ake goyon baya na manufar kawai kuma tana gargaɗi idan wani siffa bai da wani daidaitawa ba (misali, backreferences lokacin da kake tafiya Python → Go).

Na'am — POST zuwa /v1/chat/ tare da wani mai ba da shawara kan tsarin regex da kuma bayaninka kamar sakon mai amfani. Yana da amfani ga kayan aiki da ke samar da regex cikin sauri daga shigarwar mai amfani (ba-ƙoɗa-mai gina-form, log-parser configuration). Ka duba /api/.

Na'am — ƙofar alamun shafi na farko tana da siffar da ta dace da harshe (`/sifar/flagi` ga JavaScript, `r"sifar"` ga Python, ```sifar``` ga Go). Danna Sauke kuma sanya kai tsaye cikin ma'anar ka.

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Regex Generator

Result

Yadda ake amfani da shi Regex Generator

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Yi amfani da wannan kayan aiki ta hanyar API

Related Free AI Tools

Regex Generator — FAQ

What is the AI Regex Generator?

Ta yaya yake kwatanta da Regex101, Regexr, da kuma Debuggex?

Wanne irin ɗanɗano zan zaba?

Shin ma'anar da aka yi amfani da ita za ta daidaita da duk ma'anar da aka yi amfani da ita?

Can it explain an existing regex?

Shin yana goyon bayan lookbehind / lookahead / backreferences?

Ta yaya yake kula da Unicode?

Zai samar da wani regex mai sauri / mai ban- tsoro?

Ta yaya yake kwatanta da ChatGPT ga regex?

Shin, zai iya musanya a tsakãnin 'ya'yan itãcen?

Ashe akwai wani API?

Shin fitarwa ta regex tana da kyau a saka cikin alamun shafi?

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