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| '''Summary'''
|Computes the [https://de.wikipedia.org/wiki/K%C3%B6lner_Phonetik Kölner Phonetik] value for the specified string. The algorithm was published by Hans Joachim Postel in 1969. Similar to Soundex, it is used to find similarly pronounced words in the German language. As the first returned digit can be {{Code|0}}, the value is returned as string.
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| '''Examples'''