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Predefined Constants	POSIX Regex Functions

	Last updated: Thu, 26 Jun 2008

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);

?>

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Predefined Constants	POSIX Regex Functions

	Last updated: Thu, 26 Jun 2008

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