Development

Regex Linter

Detect error-prone and risky regex patterns, check for catastrophic backtracking, unanchored patterns, and provide rewrite suggestions

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/regex-linter' \
  -H 'Content-Type: application/json' \
  -d '{"regexPattern":"Enter regex pattern (e.g., ^(a+)+$)...","regexFlags":"g, i, m, s, u, y","targetDialect":"javascript","checkLevel":"standard","includeSuggestions":true}'

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/regex-linter

Parameters

Name	Type	Required	Description
regexPattern	text	Yes	—
regexFlags	text	No	—
targetDialect	select	No	—
checkLevel	select	No	—
includeSuggestions	checkbox	No	—

Response format

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-regex-linter": {
      "name": "regex-linter",
      "description": "Detect error-prone and risky regex patterns, check for catastrophic backtracking, unanchored patterns, and provide rewrite suggestions",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=regex-linter",
      "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": "regex-linter",
    "arguments": {
  "regexPattern": "Enter regex pattern (e.g., ^(a+)+$)...",
  "regexFlags": "g, i, m, s, u, y",
  "targetDialect": "javascript",
  "checkLevel": "standard",
  "includeSuggestions": true
}
  }
}

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]

Browse tools Open tool

curl -X POST 'https://api.elysiatools.com/en/api/tools/regex-linter' \ -H 'Content-Type: application/json' \ -d '{"regexPattern":"Enter regex pattern (e.g., ^(a+)+$)...","regexFlags":"g, i, m, s, u, y","targetDialect":"javascript","checkLevel":"standard","includeSuggestions":true}'

Name

Type

Required

Description

regexPattern

text

Yes

—

regexFlags

text

—

targetDialect

select

—

checkLevel

select

—

includeSuggestions

checkbox

—

{ "mcpServers": { "elysiatools-regex-linter": { "name": "regex-linter", "description": "Detect error-prone and risky regex patterns, check for catastrophic backtracking, unanchored patterns, and provide rewrite suggestions", "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=regex-linter", "command": "", "args": [], "env": {}, "isActive": true, "type": "sse" } } }

{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "regex-linter", "arguments": { "regexPattern": "Enter regex pattern (e.g., ^(a+)+$)...", "regexFlags": "g, i, m, s, u, y", "targetDialect": "javascript", "checkLevel": "standard", "includeSuggestions": true } } }