Text Processing

Non-Alphanumeric Cleaner

Remove all non-alphanumeric special characters from text with flexible preservation options

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Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/non-alphanumeric-cleaner' \
  -H 'Content-Type: application/json' \
  -d '{"text":"Enter text to clean special characters from...","preservePunctuation":false,"preserveSpaces":false,"preserveChinese":false,"customPreserve":"Enter additional characters to keep..."}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/non-alphanumeric-cleaner

Parameters

Name	Type	Required	Description
text	textarea	Yes	—
preservePunctuation	checkbox	No	Keep .,!?;:()[]{}"'
preserveSpaces	checkbox	No	Keep spaces, tabs, and line breaks
preserveChinese	checkbox	No	Keep CJK Unified Ideographs (U+4E00 to U+9FFF)
customPreserve	text	No

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-non-alphanumeric-cleaner": {
      "name": "non-alphanumeric-cleaner",
      "description": "Remove all non-alphanumeric special characters from text with flexible preservation options",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=non-alphanumeric-cleaner",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "non-alphanumeric-cleaner",
    "arguments": {
  "text": "Enter text to clean special characters from...",
  "preservePunctuation": false,
  "preserveSpaces": false,
  "preserveChinese": false,
  "customPreserve": "Enter additional characters to keep..."
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]

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