{ "name": "~", "type": "operator", "description": "Performs a regular expression match on a string value.", "arguments": [ { "arg": "string", "description": "A string value" }, { "arg": "regex", "description": "A regular expression. Slashes must be escaped, eg \\\\\\\\d." } ], "examples": [ { "expression":"'hello' ~ 'll'", "returns":"1"}, { "expression":"'hello' ~ '^ll'", "returns":"0"}, { "expression":"'hello' ~ 'llo$'", "returns":"1"} ] }