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Kawa, the Java-based Scheme system

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7.9 Strings

Function: string-upcase str
Return a new string where the letters in str are replaced by their upper-case equivalents.

Function: string-downcase str
Return a new string where the letters in str are replaced by their lower-case equivalents.

Function: string-capitalize str
Return a new string where the letters in str that start a new word are replaced by their title-case equivalents, while non-initial letters are replaced by their lower-case equivalents.

Function: string-upcase! str
Destructively modify str, replacing the letters by their upper-case equivalents.

Function: string-downcase! str
Destructively modify str, replacing the letters by their upper-lower equivalents.

Function: string-capitalize! str
Destructively modify str, such that the letters that start a new word are replaced by their title-case equivalents, while non-initial letters are replaced by their lower-case equivalents.


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