Grammar
int eregi(string pattern, string string, [array regs]);
Definition and usage
The eregi () function searches a string for a specified pattern of strings. The search is case-insensitive. Eregi () can be particularly useful for checking validity strings, such as passwords.
The optional input parameter rule contains all matching expressions for an array, which are grouped by the parentheses of the regular expression.
return value
Returns true if the match succeeds, otherwise false
Example
Here is a piece of code that is copied and pasted into a file and validates the result.
<?php $password = "abc"; if (! eregi ("[[:alnum:]]{8,10}", $password)) { print "Invalid password! Passwords must be from 8 - 10 chars"; } else { print "Valid password"; } ?>
This will produce the following results:
Invalid password! Passwords must be from 8 - 10 chars
PHP function eregi ()