Text Find Replace API

POST https://api.findutils.com/api/tools/text-find-replace/execute

Find and replace text and return the new text with the match and replacement counts. Supports case-insensitive search, whole-word matching, JavaScript regular expressions (with $1 capture groups in the replacement), and replace-first or replace-all.

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Request body

application/json

text

string required

The input text.
find

string required

The text (or regex pattern when use_regex is true) to find.
replace

string optional

The replacement text. Default: empty string (delete matches). Default "".
case_sensitive

boolean optional

Match case exactly. Default: false. Default false.
whole_word

boolean optional

Match whole words only. Default: false. Default false.
use_regex

boolean optional

Treat find as a regular expression. Default: false. Default false.
replace_all

boolean optional

Replace every match (true) or only the first (false). Default: true. Default true.

Example arguments

Verified

{
  "text": "Hello world",
  "find": "world",
  "replace": "there"
}

curl -X POST https://api.findutils.com/api/tools/text-find-replace/execute \
  -H "Content-Type: application/json" \
  -d '{
    "text": "Hello world",
    "find": "world",
    "replace": "there"
  }'

const response = await fetch('https://api.findutils.com/api/tools/text-find-replace/execute', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({"text":"Hello world","find":"world","replace":"there"}),
});
const data = await response.json();

import requests

response = requests.post(
    "https://api.findutils.com/api/tools/text-find-replace/execute",
    json={"text":"Hello world","find":"world","replace":"there"},
)
data = response.json()

$ch = curl_init('https://api.findutils.com/api/tools/text-find-replace/execute');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
    CURLOPT_POSTFIELDS => '{"text":"Hello world","find":"world","replace":"there"}',
    CURLOPT_RETURNTRANSFER => true,
]);
$data = json_decode(curl_exec($ch), true);

Also an MCP tool

Call text_find_replace from Claude, Cursor or any MCP client. Same arguments, same output.

https://mcp.findutils.com

MCP reference

Rate limit: 60 a minute, per IP
Auth: None
REST id: text-find-replace
MCP name: text_find_replace
Category: Text
Machine-readable: openapi.json · markdown.md

Request body

Example arguments

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