← Tools

Regex Tester

Type karte hi regular expressions banayein, test karein aur samjhein.

Private: aapki files aapke device se bahar nahi jaati.

JavaScript regular expressions, jaise browsers aur Node.js mein. Matching aapke device par chalti hai aur bahut der lene wala pattern rok diya jaata hai, taaki page kabhi freeze na ho.

Kaise kaam karta hai

  1. Apni files chunein.
  2. Chahein to settings badlein.
  3. Result download karein, ya BroAllDone se doosre device par bhejein.

Aksar poochhe jaane wale sawal

Regular expression kaise test karein?

Expression aur thoda text type karein: type karte hi har match highlight hota hai, saath mein matches aur unke groups ki table bhi.

Flags g, i, m, s, u aur y ka kya matlab hai?

g har match dhoondhta hai, i case ignore karta hai, m se ^ aur $ har line par kaam karte hain, s se . line breaks ko bhi match karta hai, u poora Unicode on karta hai, aur y sirf wahin match karta hai jahan pichhla match khatam hua.

Kya yeh bata sakta hai ki expression kya karta hai?

Haan. Explanation kholein aur expression ka har hissa aasaan shabdon mein dekhein, jaise "ek digit, theek 4 baar".

Kya main replacement test kar sakta hoon?

Haan. Replace kholein aur replacement type karein: group ke liye $1, named group ke liye $<name> aur poore match ke liye $& use karein.

Yeh kaun sa regex flavour hai?

JavaScript, jaise browsers aur Node.js mein. Code tab expression ko JavaScript, Python, PHP, Java, C# aur Go mein use ke liye ready dikhata hai, aur jab kisi language mein koi feature nahi hota toh warning deta hai.

Mera expression kyun rok diya gaya?

Kuch expressions kisi khaas text par bahut zyada der lete hain (catastrophic backtracking). Tester unhe thodi der baad rok deta hai taaki page kabhi freeze na ho; thoda zyada specific pattern try karein.

Aur free tools