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TextCha

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What is a TextCHA?

It is a pure text alternative to CAPTCHAs. MoinMoin uses it to prevent wiki spamming and it has proven to be very effective.

Features:

  • for page save, ask a random question
  • match the given answer against a regular expression
  • q and a can be configured in the wiki config
  • multi language support: a user gets a textcha in his language or in language_default or in English (depending on availability of questions/answers for the language)

Tips for answering:

  • you need to answer the textcha for e.g.:
    • page save
    • attachment upload
    • user profile creation
  • you do not need to answer the textcha for e.g.:
    • page preview (if you do, it will remember what you entered, though)
    • user profile changes
  • it is usually a simple/short answer
  • it compares case-insensitive
  • sometimes you can find the right answer by reading some important pages of the wiki