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1<html>
2<head>
3<title>pcre2_set_compile_extra_options specification</title>
4</head>
5<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
6<h1>pcre2_set_compile_extra_options man page</h1>
7<p>
8Return to the <a href="index.html">PCRE2 index page</a>.
9</p>
10<p>
11This page is part of the PCRE2 HTML documentation. It was generated
12automatically from the original man page. If there is any nonsense in it,
13please consult the man page, in case the conversion went wrong.
14<br>
15<br><b>
16SYNOPSIS
17</b><br>
18<P>
19<b>#include &#60;pcre2.h&#62;</b>
20</P>
21<P>
22<b>int pcre2_set_compile_extra_options(pcre2_compile_context *<i>ccontext</i>,</b>
23<b>  uint32_t <i>extra_options</i>);</b>
24</P>
25<br><b>
26DESCRIPTION
27</b><br>
28<P>
29This function sets additional option bits for <b>pcre2_compile()</b> that are
30housed in a compile context. It completely replaces all the bits. The extra
31options are:
32<pre>
33  PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK     Allow \K in lookarounds
34  PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES  Allow \x{d800} to \x{dfff} in UTF-8 and UTF-32 modes
35  PCRE2_EXTRA_ALT_BSUX                 Extended alternate \u, \U, and \x handling
36  PCRE2_EXTRA_ASCII_BSD                \d remains ASCII in UCP mode
37  PCRE2_EXTRA_ASCII_BSS                \s remains ASCII in UCP mode
38  PCRE2_EXTRA_ASCII_BSW                \w remains ASCII in UCP mode
39  PCRE2_EXTRA_ASCII_DIGIT              [:digit:] and [:xdigit:] POSIX classes remain ASCII in UCP mode
40  PCRE2_EXTRA_ASCII_POSIX              POSIX classes remain ASCII in UCP mode
41  PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL    Treat all invalid escapes as a literal following character
42  PCRE2_EXTRA_CASELESS_RESTRICT        Disable mixed ASCII/non-ASCII case folding
43  PCRE2_EXTRA_ESCAPED_CR_IS_LF         Interpret \r as \n
44  PCRE2_EXTRA_MATCH_LINE               Pattern matches whole lines
45  PCRE2_EXTRA_MATCH_WORD               Pattern matches "words"
46</pre>
47There is a complete description of the PCRE2 native API in the
48<a href="pcre2api.html"><b>pcre2api</b></a>
49page and a description of the POSIX API in the
50<a href="pcre2posix.html"><b>pcre2posix</b></a>
51page.
52<p>
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55