Regex Tester & Explainer

Test regex patterns with token-by-token explanations.

Developer ToolsRuns on our server · input is not storedNo account · No API key

Try it

Supported: g (global), i (case-insensitive), m (multiline), s (dot-all), u (unicode)

Call it from an agent

The same endpoint powers the form above. Send JSON, get JSON — no key, no signup.

curl -sX POST 'https://itsfully.online/backend/connector-api.php?action=execute' \
  -H 'Content-Type: application/json' \
  -d '{"tool":"regex-tester-explainer","data":{ /* see input fields above */ }}'

Input schema

Parameters accepted by this tool:

[
    {
        "type": "text",
        "name": "pattern",
        "label": "Regex Pattern",
        "required": true,
        "placeholder": "\\b[A-Z][a-z]+\\b"
    },
    {
        "type": "text",
        "name": "flags",
        "label": "Flags",
        "default": "g",
        "hint": "Supported: g (global), i (case-insensitive), m (multiline), s (dot-all), u (unicode)"
    },
    {
        "type": "textarea",
        "name": "text",
        "label": "Test Text",
        "rows": 5,
        "placeholder": "Text to match against…"
    }
]

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