Scans for a match in string for the pattern in this.
The match_options
are combined with the match options specified when the this structure
was created, letting you have more flexibility in reusing Regex structures.
A MatchInfo structure, used to get information on the match, is stored in
match_info
if not null. Note that if match_info
is not
null then it is created even if the function returns
false, i.e. you must free it regardless if regular expression actually matched.
To retrieve all the non-overlapping matches of the pattern in string you can use next .
static void
print_uppercase_words (const gchar *string)
{
// Print all uppercase-only words.
GRegex *regex;
GMatchInfo *match_info;
regex = g_regex_new ("[A-Z]+", 0, 0, NULL);
g_regex_match (regex, string, 0, &match_info);
while (g_match_info_matches (match_info))
{
gchar *word = g_match_info_fetch (match_info, 0);
g_print ("Found: %s\n", word);
g_free (word);
g_match_info_next (match_info, NULL);
}
g_match_info_free (match_info);
g_regex_unref (regex);
}
string
is not copied and is used in MatchInfo internally. If you use any
MatchInfo method (except g_match_info_free
) after freeing or modifying
string
then the behaviour is undefined.
this | |
match_options |
match options |
match_info |
pointer to location where to store the MatchInfo, or null if you do not need it |
string |
the string to scan for matches |
true is the string matched, false otherwise |