Php/docs/regex.examples
Examples
Example #1 Regular Expression Examples
<?php// Returns true if "abc" is found anywhere in $string.ereg("abc", $string); // Returns true if "abc" is found at the beginning of $string.ereg("^abc", $string);// Returns true if "abc" is found at the end of $string.ereg("abc$", $string);// Returns true if client browser is Netscape 2, 3 or MSIE 3.eregi("(ozilla.[23]|MSIE.3)", $_SERVER["HTTP_USER_AGENT"]);// Places three space separated words into $regs[1], $regs[2] and $regs[3].ereg("(alnum:+) (alnum:+) (alnum:+)", $string, $regs); // Put a <br /> tag at the beginning of $string.$string = ereg_replace("^", "<br />", $string); // Put a <br /> tag at the end of $string.$string = ereg_replace("$", "<br />", $string); // Get rid of any newline characters in $string.$string = ereg_replace("\n", "", $string);?>
