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- <div class="titlepage"><div><div><h3 class="title">
- <a name="boost_regex.format.sed_format"></a><a class="link" href="sed_format.html" title="Sed Format String Syntax">Sed Format String Syntax</a>
- </h3></div></div></div>
- <p>
- Sed-style format strings treat all characters as literals except:
- </p>
- <div class="informaltable"><table class="table">
- <colgroup>
- <col>
- <col>
- </colgroup>
- <thead><tr>
- <th>
- <p>
- character
- </p>
- </th>
- <th>
- <p>
- description
- </p>
- </th>
- </tr></thead>
- <tbody>
- <tr>
- <td>
- <p>
- &
- </p>
- </td>
- <td>
- <p>
- The ampersand character is replaced in the output stream by the
- whole of what matched the regular expression. Use \& to output
- a literal '&' character.
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \
- </p>
- </td>
- <td>
- <p>
- Specifies an escape sequence.
- </p>
- </td>
- </tr>
- </tbody>
- </table></div>
- <p>
- An escape character followed by any character x, outputs that character unless
- x is one of the escape sequences shown below.
- </p>
- <div class="informaltable"><table class="table">
- <colgroup>
- <col>
- <col>
- </colgroup>
- <thead><tr>
- <th>
- <p>
- Escape
- </p>
- </th>
- <th>
- <p>
- Meaning
- </p>
- </th>
- </tr></thead>
- <tbody>
- <tr>
- <td>
- <p>
- \a
- </p>
- </td>
- <td>
- <p>
- Outputs the bell character: '\a'.
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \e
- </p>
- </td>
- <td>
- <p>
- Outputs the ANSI escape character (code point 27).
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \f
- </p>
- </td>
- <td>
- <p>
- Outputs a form feed character: '\f'
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \n
- </p>
- </td>
- <td>
- <p>
- Outputs a newline character: '\n'.
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \r
- </p>
- </td>
- <td>
- <p>
- Outputs a carriage return character: '\r'.
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \t
- </p>
- </td>
- <td>
- <p>
- Outputs a tab character: '\t'.
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \v
- </p>
- </td>
- <td>
- <p>
- Outputs a vertical tab character: '\v'.
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \xDD
- </p>
- </td>
- <td>
- <p>
- Outputs the character whose hexadecimal code point is 0xDD
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \x{DDDD}
- </p>
- </td>
- <td>
- <p>
- Outputs the character whose hexadecimal code point is 0xDDDDD
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \cX
- </p>
- </td>
- <td>
- <p>
- Outputs the ANSI escape sequence "escape-X".
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- \D
- </p>
- </td>
- <td>
- <p>
- If D is a decimal digit in the range 1-9, then outputs the text
- that matched sub-expression D.
- </p>
- </td>
- </tr>
- </tbody>
- </table></div>
- </div>
- <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
- <td align="left"></td>
- <td align="right"><div class="copyright-footer">Copyright © 1998-2013 John Maddock<p>
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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