( Strings

Info Catalog ( Characters ( Simple Data Types ( Regular Expressions
 21.4 Strings
 Strings are fixed-length sequences of characters.  They can be created
 by calling constructor procedures, but they can also literally get
 entered at the REPL or in Scheme source files.
    Guile provides a rich set of string processing procedures, because
 text handling is very important when Guile is used as a scripting
    Strings always carry the information about how many characters they
 are composed of with them, so there is no special end-of-string
 character, like in C.  That means that Scheme strings can contain any
 character, even the NUL character `'\0''.  But note: Since most
 operating system calls dealing with strings (such as for file
 operations) expect strings to be zero-terminated, they might do
 unexpected things when called with string containing unusual characters.


* String Syntax               Read syntax for strings.
* String Predicates           Testing strings for certain properties.
* String Constructors         Creating new string objects.
* List/String Conversion      Converting from/to lists of characters.
* String Selection            Select portions from strings.
* String Modification         Modify parts or whole strings.
* String Comparison           Lexicographic ordering predicates.
* String Searching            Searching in strings.
* Alphabetic Case Mapping     Convert the alphabetic case of strings.
* Appending Strings           Appending strings to form a new string.
Info Catalog ( Characters ( Simple Data Types ( Regular Expressions
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