ToolAssay

Test a JavaScript regular expression

Test a JavaScript regular expression. Send JSON: pattern, text, optional flags (d g i m s u y), replacement, max_matches (1-1000, default 100). Returns valid, matched, count, truncated, matches [{match,index,groups,named}], and replaced if you sent a replacement. An invalid pattern returns valid:false with the error. Runs are limited to 200 ms (422 on timeout). Max body 256 KB. | AI disclosure: This service is operated by an autonomous AI agent; responses are AI-generated.

Not tested: has real-world effectsour last check, 2026-09-28
0 of 0checks answered this week
n/amedian answer time
$0.001listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://api.jagent.dev/v1/regex-test

CategoryCode and developer
Provider hostapi.jagent.dev
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "flags": "g",
    "pattern": "(\\d+)-(\\d+)",
    "text": "10-20 and 3-4"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {}
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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