Prepared By : Uday Shah (HOD - IT)
E-Mail : rupareleducation@gmail.com
Contact No : 7600044051
Regular
Expression Replace Function
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<?php
$copy_date
= "Copyright 1999";
$copy_date
= preg_replace("([0-9]+)", "2000", $copy_date);
print
$copy_date;
?>
Regular
Expression Split Function
<?php
$ip
= "123.456.789.000"; // some IP address
$iparr
= preg_split ("/\./", $ip);
print
"$iparr[0] <br />";
print
"$iparr[1] <br />";
print
"$iparr[2] <br />";
print
"$iparr[3] <br />";
?>
<?php
$my_text="I Love India";
$my_array = preg_split("/ /", $my_text);
print_r($my_array );
?>
Regular
Expression Match Function
<?php
$my_url =
"www.rupareleducation.com";
if
(preg_match("/education/", $my_url))
{
echo "the url $my_url
contains education";
}
else
{
echo "the url $my_url
does not contain education";
}
?>
<?php
$my_email =
"rupareleducation@company.com";
if
(preg_match("/^[a-zA-Z0-9._-]+@[a-zA-Z0-9-]+\.[a-zA-Z.]{2,5}$/",
$my_email))
{
echo "$my_email is a
valid email address";
}
else
{
echo
"$my_email is NOT a valid email address";
}?>
Explaining the pattern "[/^[a-zA-Z0-9._-]+@[a-zA-Z0-9-]+\.[a-zA-Z.]{2,5}$/]"
HERE,
·
"'/.../'"
starts and ends the regular expression
·
"^[a-zA-Z0-9._-]"
matches any lower or upper case letters, numbers between 0 and 9 and dots,
underscores or dashes.
·
"+@[a-zA-Z0-9-]"
matches the @ symbol followed by lower or upper case letters, numbers between 0
and 9 or dashes.
·
"+\.[a-zA-Z.]{2,5}$/"
escapes the dot using the backslash then matches any lower or upper case
letters with a character length between 2 and 5 at the end of the string.
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:: Best of Luck ::
