 PHP3 ¤â¥U
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int ereg
(string pattern, string string, array [
regs
]);
Searchs string for matches to the regular expression given in pattern .
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 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 string .
Searching is case sensitive.
Returns true if a match for pattern was found in string, or false if no matches were found or an error occurred.
The following code snippet takes a date in ISO format (YYYY-MM-DD) and prints it in DD.MM.YYYY format:
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Example 1. ereg() example
if ( ereg( "([0-9]{4})-([0-9]{1,2})-([0-9]{1,2})", $date, $regs ) ) {
echo "$regs[3].$regs[2].$regs[1]";
} else {
echo "Invalid date format: $date";
}
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See also eregi() , ereg_replace() , and eregi_replace() .