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{
"description": "Regular Expression type",
"bson_type": "0x0B",
"test_key": "a",
"valid": [
{
"description": "empty regex with no options",
"canonical_bson": "0A0000000B6100000000",
"canonical_extjson": "{\"a\" : {\"$regularExpression\" : { \"pattern\": \"\", \"options\" : \"\"}}}"
},
{
"description": "regex without options",
"canonical_bson": "0D0000000B6100616263000000",
"canonical_extjson": "{\"a\" : {\"$regularExpression\" : { \"pattern\": \"abc\", \"options\" : \"\"}}}"
},
{
"description": "regex with options",
"canonical_bson": "0F0000000B610061626300696D0000",
"canonical_extjson": "{\"a\" : {\"$regularExpression\" : { \"pattern\": \"abc\", \"options\" : \"im\"}}}"
},
{
"description": "regex with options (keys reversed)",
"canonical_bson": "0F0000000B610061626300696D0000",
"canonical_extjson": "{\"a\" : {\"$regularExpression\" : { \"pattern\": \"abc\", \"options\" : \"im\"}}}",
"degenerate_extjson": "{\"a\" : {\"$regularExpression\" : {\"options\" : \"im\", \"pattern\": \"abc\"}}}"
},
{
"description": "regex with slash",
"canonical_bson": "110000000B610061622F636400696D0000",
"canonical_extjson": "{\"a\" : {\"$regularExpression\" : { \"pattern\": \"ab/cd\", \"options\" : \"im\"}}}"
},
{
"description": "flags not alphabetized",
"degenerate_bson": "100000000B6100616263006D69780000",
"canonical_bson": "100000000B610061626300696D780000",
"canonical_extjson": "{\"a\" : {\"$regularExpression\" : { \"pattern\": \"abc\", \"options\" : \"imx\"}}}",
"degenerate_extjson": "{\"a\" : {\"$regularExpression\" : { \"pattern\": \"abc\", \"options\" : \"mix\"}}}"
},
{
"description" : "Required escapes",
"canonical_bson" : "100000000B610061625C226162000000",
"canonical_extjson": "{\"a\" : {\"$regularExpression\" : { \"pattern\": \"ab\\\\\\\"ab\", \"options\" : \"\"}}}"
},
{
"description" : "Regular expression as value of $regex query operator",
"canonical_bson" : "180000000B247265676578007061747465726E0069780000",
"canonical_extjson": "{\"$regex\" : {\"$regularExpression\" : { \"pattern\": \"pattern\", \"options\" : \"ix\"}}}"
},
{
"description" : "Regular expression as value of $regex query operator with $options",
"canonical_bson" : "270000000B247265676578007061747465726E000002246F7074696F6E73000300000069780000",
"canonical_extjson": "{\"$regex\" : {\"$regularExpression\" : { \"pattern\": \"pattern\", \"options\" : \"\"}}, \"$options\" : \"ix\"}"
}
],
"decodeErrors": [
{
"description": "Null byte in pattern string",
"bson": "0F0000000B610061006300696D0000"
},
{
"description": "Null byte in flags string",
"bson": "100000000B61006162630069006D0000"
}
]
}