07-29-2009
The more formal term is backreference. A backreference stores the part of the string matched by the part of the regular expression inside the parentheses.
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LEARN ABOUT PHP
mb_ereg_search_pos
MB_EREG_SEARCH_POS(3) 1 MB_EREG_SEARCH_POS(3)
mb_ereg_search_pos - Returns position and length of a matched part of the multibyte regular expression for a predefined multibyte string
SYNOPSIS
array mb_ereg_search_pos ([string $pattern], [string $option = "ms"])
DESCRIPTION
Returns position and length of a matched part of the multibyte regular expression for a predefined multibyte string
The string for match is specified by mb_ereg_search_init(3). If it is not specified, the previous one will be used.
PARAMETERS
o $pattern
- The search pattern.
o $option
- The search option.
RETURN VALUES
An array containing two elements. The first element is the offset, in bytes, where the match begins relative to the start of the search
string, and the second element is the length in bytes of the match.
If an error occurs, FALSE is returned.
NOTES
Note
The internal encoding or the character encoding specified by mb_regex_encoding(3) will be used as the character encoding for this
function.
SEE ALSO
mb_regex_encoding(3), mb_ereg_search_init(3).
PHP Documentation Group MB_EREG_SEARCH_POS(3)