<pcre2> ( expr -- pcre2 )
PCRE2 binding

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findall ( subject obj -- matches )

Vocabulary
pcre2

Inputs

expr

a string

Outputs

pcre2

a pcre2

Word description
Creates a precompiled regular expression object. Compilation defaults to utf8 and unicode mode.

Errors
Throws a pcre2-error if the expression cannot be compiled, reporting the libpcre2 error number and the offset within the expression.

Definition

USING: accessors alien.c-types alien.data destructors
io.encodings.string io.encodings.utf8 kernel pcre2.ffi
pcre2.private sequences ;

IN: pcre2

: <pcre2> ( expr -- pcre2 )
    utf8 encode dup length default-opts
    { int PCRE2_SIZE } [ f pcre2_compile ] with-out-parameters
    pick
    [ 2drop pcre2 new-disposable swap >>handle ]
    [ [ drop ] 2dip pcre2-error ] if ;