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>repl-substring-list?</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN741"
></A
><H2
>Name</H2
>repl-substring-list? -- Perform repl-substring? with a list of target/replacement pairs</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN744"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>(repl-substring-list? string replace-list pos)</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN747"
></A
><H2
>Description</H2
><P
>Returns <TT
CLASS="LITERAL"
>#t</TT
> if any target in <TT
CLASS="LITERAL"
>replace-list</TT
> occurs at <TT
CLASS="LITERAL"
>pos</TT
> in <TT
CLASS="LITERAL"
>string</TT
>.</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="LITERAL"
>string</TT
></DT
><DD
><P
>The string in which replacement should be tested.</P
></DD
><DT
><TT
CLASS="LITERAL"
>replace-list</TT
></DT
><DD
><P
>A list of target/replacement pairs. This list is just a list of
strings, treated as pairs. For example, <TT
CLASS="LITERAL"
>("was" "x" "is" "y")</TT
>.
In this example, <TT
CLASS="LITERAL"
>was</TT
> may be replaced by <TT
CLASS="LITERAL"
>x</TT
> and <TT
CLASS="LITERAL"
>is</TT
> may be
replaced by <TT
CLASS="LITERAL"
>y</TT
>.</P
></DD
><DT
><TT
CLASS="LITERAL"
>pos</TT
></DT
><DD
><P
>The location within <TT
CLASS="LITERAL"
>string</TT
> where the test will occur.</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN776"
></A
><H2
>Example</H2
><P
><TT
CLASS="LITERAL"
>(repl-substring-list? "this is it" ("was" "x" "is" "y") 2)</TT
>
returns <TT
CLASS="LITERAL"
>#t</TT
>: "is" could be replaced by "y".</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN781"
></A
><H2
>Author</H2
><P
>Norman Walsh, <ndw@nwalsh.com></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN784"
></A
><H2
>Source Code</H2
><PRE
CLASS="PROGRAMLISTING"
>(define (repl-substring-list? string replace-list pos)
;; Perform repl-substring? with a list of target/replacement pairs
(let loop ((list replace-list))
(let ((target (car list))
(repl (car (cdr list)))
(rest (cdr (cdr list))))
(if (repl-substring? string target pos)
#t
(if (null? rest)
#f
(loop rest))))))</PRE
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