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<head><title>ACL2_Strings.html -- ACL2 Version 3.1</title></head>
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<h2>ACL2 Strings</h2>
<p>
Strings of ACL2 <a href="ACL2_Characters.html">characters</a> are written
as sequences of characters delimited by ``double quotation marks'' (").
To put a double quotation mark in a string (or, any other character such
as backslash or newline that seems to cause problems), escape it by preceding
it with a backslash (\).<p>
The function <code><a href="STRINGP.html">stringp</a></code> <a href="A_Tiny_Warning_Sign.html"><img src=twarning.gif></a> recognizes strings and <code><a href="CHAR.html">char</a></code>
<a href="A_Tiny_Warning_Sign.html"><img src=twarning.gif></a> will fetch the nth character of a string. There are many
other primitives for handling strings, such as <code><a href="STRING_lt_.html">string<</a></code> <a href="A_Tiny_Warning_Sign.html"><img src=twarning.gif></a> for
comparing two strings lexicographically. We suggest you
See <a href="PROGRAMMING.html">programming</a> <a href="A_Tiny_Warning_Sign.html"><img src=twarning.gif></a> where we list all of the primitive ACL2
functions. Alternatively, see any Common Lisp language
documentation.
<br><br><br><a href="acl2-doc.html"><img src="llogo.gif"></a> <a href="acl2-doc-index.html"><img src="index.gif"></a>
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