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regex

Purpose​

regex extracts the first instance of a regular expression pattern.

Validate regex patterns at https://regex101.com using the Golang flavor.

Usage​

"type": "regex",
"config": {
    "pattern": "<regular expression>"
    "captureGroup": "<int>"
}
KeyDescription
patternRegular expression pattern to match against.
captureGroup(optional) Capture group to use when capture groups are defined. Capture groups start at 1. By default capture groups may be used but no one group will be selected.

Example 1​

Configuration​

"type": "regex",
"config": {
    "pattern": "\d{4}(-\d{2}){0,2}$"
}
note

Notice how capture groups are used in the regex pattern but no specific capture group is selected since captureGroup is omitted.

Input Token​

filter=(contains(subject, 'order') and ReceivedDateTime ge 2021-04-19

Transformed Token​

2021-04-19

Example 2​

Configuration​

"type": "regex",
"config": {
    "pattern": "location/(.*)/info"
    "captureGroup": 1
}

Input Token​

/location/Miami/info

Transformed Token​

Miami