Development
A searchable, localized cheat sheet for regular expression syntax — character classes, anchors, quantifiers, groups & references, lookarounds, escape sequences, and flags — with a built-in quick tester
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/regex-cheat-sheet' \
-H 'Content-Type: application/json' \
-d '{"lang":"en"}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/regex-cheat-sheet| Name | Type | Required | Description |
|---|---|---|---|
| lang | select | No | — |
HTML result
{
"result": "<div>Processed HTML content</div>",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-regex-cheat-sheet": {
"name": "regex-cheat-sheet",
"description": "A searchable, localized cheat sheet for regular expression syntax — character classes, anchors, quantifiers, groups & references, lookarounds, escape sequences, and flags — with a built-in quick tester",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=regex-cheat-sheet",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "regex-cheat-sheet",
"arguments": {
"lang": "en"
}
}
}Questions or issues? Contact [email protected]