Matches only cells from columns whose families satisfy the given RE2 regex. For technical reasons, the
regex must not contain the : character, even if it is not being used as a literal. Note
that, since column families cannot contain the new line character , it is sufficient to
use . as a full wildcard when matching column family names.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-12-19 UTC."],[],[]]
