Regex ke saath find and replace karte waqt main capture groups kaise use karoon?

Regex mode on karein aur apne find pattern ke parts ko parentheses mein wrap karein, phir unhe replacement mein $1, $2, waghairah ke roop mein reference karein. Jaise, find (\w+) (\w+) aur replace $2 $1 se do words swap ho jaate hain.

Kya main sab ke bajaye sirf pehla match replace kar sakta hoon?

Haan. Scope ko 'Replace all' se 'First only' par switch karein aur sirf pehla match replace hota hai. Match count phir bhi dikhata hai ki us pass mein kitne candidates mile.

Yahan whole-word option kya karta hai?

Whole word aapke search ko word boundaries mein wrap karta hai, isliye 'cat' find karne par standalone word 'cat' match hota hai lekin 'category' aur 'scatter' untouched rehte hain. Yeh plain aur regex dono modes mein kaam karta hai.

Kya yeh find and replace tool default se mere search ko ek regex maanta hai?

Nahi. Default se aapka find text literally match hota hai, isliye . ( aur $ jaise characters khud ka matlab rakhte hain. Regex mode sirf tab on karein jab aap pattern matching aur backreferences chahte hain.

Kya jo text main Find and Replace mein paste karta hoon woh kahin upload hota hai?

Nahi. Find-and-replace poori tarah aapke browser mein chalta hai. Jo text aap paste karte hain, aapke search aur result aapke device par rehte hain aur kabhi ArrayKit ko nahi bheje jaate.

Agar mera regular expression invalid ho to kya hota hai?

Tool error ko catch karta hai aur aapka text badalne ke bajaye ek 'Invalid regular expression' message dikhata hai, isliye kuch replace hone se pehle aap pattern fix kar sakte hain.

Find and Replace Text Online

Ek poore text block mein search aur replace karein aapke browser mein, regex, case aur whole-word controls ke saath. Aapka text aapke device par rehta hai.

Find and Replace Text poori tarah aapke browser mein chalta hai. Jo text aap paste karte hain, search aur replacement values, aur result kabhi aapke device se bahar nahi jaate aur ArrayKit ko upload nahi hote.

Regex Tester kholein

Find and Replace ke baare mein

Find and Replace Text aapko ek poore text block mein ek baar mein ek string ko doosri se swap karne deta hai. Type karein kya find karna hai aur kis se replace karna hai, phir match ko tune karein: patterns match karne aur captured groups ko $1 aur $2 backreferences se reuse karne ke liye regex on karein, case sensitivity toggle karein, matches ko whole words tak restrict karein, ya har match replace karne aur sirf pehla replace karne ke beech switch karein. Tool exactly dikhata hai ki kitne matches replace hue aur aapko ek copyable, downloadable result deta hai. Yeh pasted logs clean karne, ek snippet mein variables rename karne, dates reformat karne, ya lists aur CSV rows bulk-edit karne ke liye kaam aata hai. Sab kuch aapke device par chalta hai — jo text aap paste karte hain woh browser mein process hota hai aur kabhi use bahar nahi jaata.

Features

Ek baar mein har match replace karein ya sirf pehli occurrence
Live match count taaki aapko pata ho ki kitne replacements hue
Replacement mein $1 aur $2 backreferences ke saath regex mode
Ek toggle se case-sensitive aur case-insensitive matching
Whole-word matching jo word boundaries ka dhyaan rakhta hai
Jab ek regular expression invalid ho to saaf inline error
Ek click mein replaced text copy ya download karein
Aapke device par chalta hai, kahin koi text upload nahi hota

Find and Replace kaise use karein

Apna text input area mein paste karein
Find karne ke liye text ya regex aur replacement type karein
Zaroorat ke hisaab se regex, case-sensitive, whole-word, ya first-only toggle karein
Match count padhein, phir result copy ya download karein

Example

Input

find: (\w+)@(\w+)
replace: $2 at $1
text: user@example

Output

example at user

Regex capture groups $1 aur $2 ko ek match ke do halves swap karne dete hain.

Common errors aur troubleshooting

Replacement captured text ki jagah ek literal $1 dikhata hai. — $1 jaise backreferences sirf tab kaam karte hain jab Regex mode on ho. Regex on karein aur pakka karein ki aapke find pattern mein parentheses mein sach mein ek group ho.
Text saaf dikhne ke baad bhi kuch replace nahi hota. — Case-sensitive toggle check karein. Ise on rakhne par 'Cat' aur 'cat' alag hain; case ki parwaah kiye bina match karne ke liye ise off karein.
cat jaisa find 'category' aur 'scatter' ko bhi badal deta hai. — Whole word on karein taaki cat sirf standalone word match kare aur lambe words ke andar substrings nahi.
Regex mode ek 'Invalid regular expression' error dikhata hai. — Shayad aapke paas unbalanced ( ) ya [ ] hai. Bracket fix karein, ya characters ko literally search karne ke liye Regex off karein.

Aksar pooche jaane wale sawaal

Regex ke saath find and replace karte waqt main capture groups kaise use karoon?: Regex mode on karein aur apne find pattern ke parts ko parentheses mein wrap karein, phir unhe replacement mein $1, $2, waghairah ke roop mein reference karein. Jaise, find (\w+) (\w+) aur replace $2 $1 se do words swap ho jaate hain.
Kya main sab ke bajaye sirf pehla match replace kar sakta hoon?: Haan. Scope ko 'Replace all' se 'First only' par switch karein aur sirf pehla match replace hota hai. Match count phir bhi dikhata hai ki us pass mein kitne candidates mile.
Yahan whole-word option kya karta hai?: Whole word aapke search ko word boundaries mein wrap karta hai, isliye 'cat' find karne par standalone word 'cat' match hota hai lekin 'category' aur 'scatter' untouched rehte hain. Yeh plain aur regex dono modes mein kaam karta hai.
Kya yeh find and replace tool default se mere search ko ek regex maanta hai?: Nahi. Default se aapka find text literally match hota hai, isliye . ( aur $ jaise characters khud ka matlab rakhte hain. Regex mode sirf tab on karein jab aap pattern matching aur backreferences chahte hain.
Kya jo text main Find and Replace mein paste karta hoon woh kahin upload hota hai?: Nahi. Find-and-replace poori tarah aapke browser mein chalta hai. Jo text aap paste karte hain, aapke search aur result aapke device par rehte hain aur kabhi ArrayKit ko nahi bheje jaate.
Agar mera regular expression invalid ho to kya hota hai?: Tool error ko catch karta hai aur aapka text badalne ke bajaye ek 'Invalid regular expression' message dikhata hai, isliye kuch replace hone se pehle aap pattern fix kar sakte hain.

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