Regex

Test whether a pattern matches, find all matches, or extract capture groups from text.

POST /api/regex

Parameters

Field	Type	Required	Description
action	string	Yes	test, match, or extract
pattern	string	Yes	Regular expression pattern
input	string	Yes	Text to match against

Response

Field	Type	Description
match	boolean	Whether the pattern matched
count	integer	Number of matches found
matches	array	Match details (when action is match or extract)
matches[].text	string	Matched text
matches[].start	integer	Start index
matches[].end	integer	End index
matches[].groups	array	Capture group values

Examples

Test a pattern

curl -X POST https://morso.dev/api/regex \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"action": "test", "pattern": "^[a-z]+@[a-z]+\\.[a-z]+$", "input": "[email protected]"}'

{
  "match": true,
  "count": 1
}

Extract matches

curl -X POST https://morso.dev/api/regex \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"action": "extract", "pattern": "(\\d{4})-(\\d{2})-(\\d{2})", "input": "Born on 1990-05-15, graduated 2012-06-01"}'

{
  "match": true,
  "count": 2,
  "matches": [
    {
      "text": "1990-05-15",
      "start": 8,
      "end": 18,
      "groups": ["1990", "05", "15"]
    },
    {
      "text": "2012-06-01",
      "start": 30,
      "end": 40,
      "groups": ["2012", "06", "01"]
    }
  ]
}

Errors

• 400 — Invalid regular expression pattern.

See Errors for the standard error shape.