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<title>pcre2_pattern_convert specification</title>
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<h1>pcre2_pattern_convert man page</h1>

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This page is part of the PCRE2 HTML documentation. It was generated
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please consult the man page, in case the conversion went wrong.
 
 
SYNOPSIS
 

#include &#60;pcre2.h&#62;


int pcre2_pattern_convert(PCRE2_SPTR pattern, PCRE2_SIZE length,
 uint32_t options, PCRE2_UCHAR **buffer,
 PCRE2_SIZE *blength, pcre2_convert_context *cvcontext);

 
DESCRIPTION
 

This function is part of an experimental set of pattern conversion functions.
It converts a foreign pattern (for example, a glob) into a PCRE2 regular
expression pattern. Its arguments are:
<pre>
 pattern The foreign pattern
 length The length of the input pattern or PCRE2_ZERO_TERMINATED
 options Option bits
 buffer Pointer to pointer to output buffer, or NULL
 blength Pointer to output length field
 cvcontext Pointer to a convert context or NULL
</pre>
The length of the converted pattern (excluding the terminating zero) is
returned via blength. If buffer is NULL, the function just returns
the output length. If buffer points to a NULL pointer, heap memory is
obtained for the converted pattern, using the allocator in the context if
present (or else malloc()), and the field pointed to by buffer is
updated. If buffer points to a non-NULL field, that must point to a
buffer whose size is in the variable pointed to by blength. This value is
updated.


The option bits are:
<pre>
 PCRE2_CONVERT_UTF Input is UTF
 PCRE2_CONVERT_NO_UTF_CHECK Do not check UTF validity
 PCRE2_CONVERT_POSIX_BASIC Convert POSIX basic pattern
 PCRE2_CONVERT_POSIX_EXTENDED Convert POSIX extended pattern
 PCRE2_CONVERT_GLOB ) Convert
 PCRE2_CONVERT_GLOB_NO_WILD_SEPARATOR ) various types
 PCRE2_CONVERT_GLOB_NO_STARSTAR ) of glob
</pre>
The return value from pcre2_pattern_convert() is zero on success or a
non-zero PCRE2 error code.


The pattern conversion functions are described in the
<a href="pcre2convert.html">pcre2convert</a>
documentation.

Return to the <a href="index.html">PCRE2 index page</a>.

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