eregi
(PHP 4, PHP 5)
eregi — Case insensitive regular expression match
Описание
int eregi
( string $pattern
, string $string
[, array &$regs
] )
Список параметров
-
pattern
-
Case insensitive regular expression.
-
string
-
The input string.
-
regs
-
If matches are found for parenthesized substrings of
pattern
and the function is called with the
third argument regs
, the matches will be stored
in the elements of the array regs
.
$regs[1] will contain the substring which starts at the first left
parenthesis; $regs[2] will contain the substring starting at the
second, and so on. $regs[0] will contain a copy of the complete string
matched.
Возвращаемые значения
Returns the length of the matched string if a match for
pattern
was found in string
,
or FALSE if no matches were found or an error occurred.
If the optional parameter regs
was not passed or
the length of the matched string is 0, this function returns 1.
Примеры
Пример #1 eregi() example
<?php
$string = 'XYZ';
if (eregi('z', $string)) {
echo "'$string' contains a 'z' or 'Z'!";
}
?>
Смотрите также
- ereg() - Regular expression match
- ereg_replace() - Replace regular expression
- eregi_replace() - Replace regular expression case insensitive
- stripos() - Возвращает позицию первого вхождения подстроки без учета регистра
- stristr() - Регистро-независимый вариант функции strstr.