Free practice · numeric · medium
Practice
Count cleaned tags
The text "billing, urgent, follow-up" is split on commas and each part is stripped. How many tags result?
Text transformation review
Normalize format without erasing business meaning
Inspect
PresenceRequired?
FormatDefined?
Transform
WhitespaceTargeted
CaseIntentional
Verify
MeaningPreserved
EdgesTested
Different text states need different protections. Keep identifiers, separators, blanks, and capitalization tied to an explicit contract.