<RefEntry id="repl-substring"> <!-- This file is generated automatically from the DSSSL source. --> <!-- Do not edit this file! --> <?html-filename repl-substring.html> <RefMeta> <RefEntryTitle>repl-substring</RefEntryTitle> <RefMiscInfo Role="file">dblib.dsl</RefMiscInfo> </RefMeta> <RefNameDiv> <RefName>repl-substring</RefName> <RefPurpose>Replace substring in a string</RefPurpose> </RefNameDiv> <RefSynopsisDiv><Title>Synopsis</Title> <Synopsis> (repl-substring string target repl pos) </Synopsis> </RefSynopsisDiv> <RefSect1><Title>Description</Title> <para> Replaces <literal>target</literal> with <literal>repl</literal> in <literal>string</literal> at <literal>pos</literal>.</para> </RefSect1> <RefSect1><Title>Author</Title> <para> Norman Walsh, <ndw@nwalsh.com> </para> </RefSect1> <RefSect1><Title>Source Code</Title> <ProgramListing> (define (repl-substring string target repl pos) ;; Replace substring in a string (let ((matches (repl-substring? string target pos))) (if matches (string-append (substring string 0 pos) repl (substring string (+ pos (string-length target)) (string-length string))) string))) </ProgramListing> </RefSect1> </RefEntry>