PHP general detection function set_PHP tutorial

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// ※CheckMoney($C_Money) checks whether the data is in 99999.99 format
// ※CheckEmailAddr($C_mailaddr) determines whether it is a valid email address
// ※CheckWebAddr($C_weburl) determines whether it is a valid URL
// ※CheckEmpty($C_char) determines whether the string is empty
// ※CheckLengthBetween($C_char, $I_len1, $I_len2=100) determines whether it is a string within the specified length
// ※CheckUser($C_user) determines whether it is a legal username
// ※CheckPassword($C_passwd) determines whether it is a legal user password
// ※CheckTelephone($C_telephone) determines whether it is a legal phone number
// ※CheckValueBetween($N_var, $N_val1, $N_val2) determines whether it is a legal value within a certain range
// ※CheckPost($C_post) determines whether it is a legal zip code (fixed length)
// ※CheckExtendName($C_filename,$A_extend) determines the extension of the uploaded file
// ※CheckImageSize($ImageFileName,$LimitSize) checks the size of the uploaded image
// ※AlertExit($C_alert,$I_goback=0) Illegal operation warning and exit
// ※Alert($C_alert,$I_goback=0) Illegal operation warning
// ※ReplaceSpacialChar($C_char) special character replacement function
// ※ExchangeMoney($N_money) fund conversion function
// ※WindowLocation($C_url,$C_get="",$C_getOther="") window.location function in PHP
//------------------------------------------------ ---------------


//------------------------------------------------ -------------

// Function name: CheckMoney($C_Money)
// Function: Check whether the data is in 99999.99 format
// Parameter: $C_Money (number to be detected)
// Return value: Boolean value
// Remarks: None
//------------------------------------------------ ------------

function CheckMoney($C_Money)
{
if (!ereg("^[0-9][.][0-9]$", $C_Money)) return false;
return true;
}
//------------------------------------------------ ---------------


//------------------------------------------------ --------

// Function name: CheckEmailAddr($C_mailaddr)
// Function: Determine whether it is a valid email address
// Parameter: $C_mailaddr (email address to be detected)
// Return value: Boolean value
// Remarks: None
//------------------------------------------------ --------

function CheckEmailAddr($C_mailaddr)
{
if (!eregi("^[_a-z0-9-] (.[_a-z0-9-] )*@[a-z0-9-] (.[a-z0-9-] )*$" ,
$C_mailaddr))
//(!ereg("^[_a-zA-Z0-9-] (.[_a-zA-Z0-9-] )*@[_a-zA-Z0-9-] (.[_a-zA- Z0-9-] )*$",
$c_mailaddr))
{
return false;
}
return true;
}
//------------------------------------------------ ----------------

http://www.bkjia.com/PHPjc/445550.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/445550.htmlTechArticle// ※CheckMoney($C_Money) checks whether the data is in 99999.99 format// ※CheckEmailAddr($C_mailaddr) determines whether It is a valid email address // ※CheckWebAddr($C_weburl) determines whether it is valid...