Development
Named Group Tester
Parse and display named capture groups from regex patterns
json· JSON resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/named-group-tester' \
-H 'Content-Type: application/json' \
-d '{"textInput":"Enter text to test against (one test string per line in batch mode)...","pattern":"Enter pattern with named groups, e.g., (?<year>\\d{4})-(?<month>\\d{2})","flags":"g","batchMode":false,"includeUnmatched":true,"maxResults":100}'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/named-group-testerParameters
| Name | Type | Required | Description |
|---|---|---|---|
| textInput | textarea | Yes | — |
| pattern | text | Yes | — |
| flags | text | No | — |
| batchMode | checkbox | No | Enable to process each line as a separate test |
| includeUnmatched | checkbox | No | Show groups with empty/null values in results |
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-named-group-tester": {
"name": "named-group-tester",
"description": "Parse and display named capture groups from regex patterns",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=named-group-tester",
"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": "named-group-tester",
"arguments": {
"textInput": "Enter text to test against (one test string per line in batch mode)...",
"pattern": "Enter pattern with named groups, e.g., (?<year>\\d{4})-(?<month>\\d{2})",
"flags": "g",
"batchMode": false,
"includeUnmatched": true,
"maxResults": 100
}
}
}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]