{
  "name": "regexp_match",
  "type": "function",
  "groups": ["Conditionals", "String"],
  "description": "Return the first matching position matching a regular expression within an unicode string, or 0 if the substring is not found.",
  "arguments": [{
    "arg": "input_string",
    "description": "the string to test against the regular expression"
  }, {
    "arg": "regex",
    "description": "The regular expression to test against. Backslash characters must be double escaped (e.g., \"\\\\\\\\s\" to match a white space character or  \"\\\\\\\\b\" to match a word boundary)."
  }],
  "examples": [{
    "expression": "regexp_match('QGIS ROCKS','\\\\\\\\sROCKS')",
    "returns": "5"
  }, {
    "expression": "regexp_match('Buda\u010d','uda\u010d\\\\\\\\b')",
    "returns": "2"
  }],
  "tags": ["return", "found", "matching", "unicode", "regular", "position", "substring", "first"]
}