// Function Name: Trim
// Function Description: The first end of the string
// Creation Date: 2004-7-13 15:30
// last modify by: N / A
// last modify date: n / a
String.prototype.trim = function () {
Return this.Replace (/ (^ / s *) | (/ s * $) / g, "");
}
// Function Name: LTRIM
// Function Description: Space for removing the left side of the string
// Creation Date: 2004-7-13 9:58
// last modify by: N / A
// last modify date: n / a
String.Prototype.ltrim = function ()
{
Return this.Replace (/ (^ / s *) / g, "");
}
// Function Name: RTRIM
// Function Description: Removes the space of the right side of the string
// Creation Date: 2004-7-13 15:31
// last modify by: N / A
// last modify date: n / a
String.prototype.rtrim = function ()
{
Return this.Replace (/ S * $) / g, "");
}
// function name: LEN
// Function Description: Returns the actual length of the string, one Chinese word counts 2 lengths
// Creation Date: 2004-7-13 9:58
// last modify by: N / A
// last modify date: n / a
String.Prototype.len = function ()
{
Var str = this;
Return str.replace (/ [^ / x00- / xff] / g, "**"). Length
}
// function name: isvaliddate
// Function Description: Judging whether the input is a valid short date format - "YYYY-MM-DD"
// Creation Date: 2004-7-13 9:58
// last modify by: N / A
// last modify date: n / a
String.prototype.issaliddDate = function ()
{
Var Result = this.match (/ ^ (/ D {1, 4}) (- | //) (/ D {1, 2}) / 2 (/ D {1, 2}) $ /);
IF (result == null) Return False;
VAR D = New Date (Result [1], Result [3] -1, Result [4]);
Return (D.Getfullyear () == Result [1] && D.getMonth () 1 == Result [3] && d.getdate () == Result [4]);
}
// Function name: isvalidtime
// Function Description: Determine if the input is a valid time format - "hh: mm: ss"
// Creation Date: 2004-7-13 9:58
// last modify by: N / A
// last modify date: n / a
String.Prototype.issAlidtime = function () {
Var resule = this.match (/ ^ (/ d {1, 2}) (:)? (/ d {1, 2}) / 2 (/ d {1, 2}) $ /);
IF (result == null) Return False;
IF (Result [1]> 24 || Result [3]> 60 || Result [4]> 60) RETURN FALSE
Return True;
}
// Function name: isvalidemail
// Function Description: Judging whether the input is an effective email
// creation date: 2004-7-13 9:59
// last modify by: N / A
// last modify date: n / a
String.Prototype.issAlidemail = function ()
{
Var Result = this.match (/ ^ / w ) | (/ w )) * / @ [A-ZA-Z0-9] (/. | -) [A-ZA- Z0-9] ) * /. [A-ZA-Z0-9] $ /);
IF (result == null) Return False;
Return True;
}
// function name: isvaliddatetime
// Function Description: Judging whether the input is a valid long-term format - "YYYY-MM-DD HH: MM: SS"
// creation date: 2004-7-13 9:59
// last modify by: N / A
// last modify date: n / a
String.Prototype.issAliddateTime = function ()
{
Var Result = this.match (/ ^ (/ d {1, 4}) (- | //) (/ D {1, 2}) / 2 (/ d {1, 2}) (/ D {1, 2}): (/ D {1, 2}): (/ d {1, 2}) $ /);
IF (result == null) Return False;
VAR D = New Date (Result [1], Result [3] -1, Result [4], Result [5], Result [6], Result [7]);
Return (D.Getfullyear () == Result [1] && (d.getMonth () 1) == Result [3] && d.getdate () == Result [4] && d.Gethours () == Result [5 ] && d.getminutes () == Result [6] && D.getSeconds () == Result [7]);
}
// Function name: isvalidinteger
// Function Description: Judging whether the input is an integer
// Creation Date: 2004-7-13 10:01
// last modify by: N / A
// last modify date: n / a
String.Prototype.issAlidinteger = function ()
{
Var Result = this.match (/ ^ (- | / )? / d $ /);
IF (result == null) Return False;
Return True;
}
// function name: isvalidpositiveinteger // function description: Judging whether the input is a positive integer
// Creation Date: 2004-7-13 10:01
// last modify by: N / A
// last modify date: n / a
String.Prototype.issAlidPositiveInteger = function ()
{
Var Result = this.match (/ ^ / d $ /);
IF (result == null) Return False;
IF (Parseint (this)> 0) Return True;
Return False;
}
// Function name: isvalidnegativeinteger
// Function Description: Determine if the input is a negative integer
// Creation Date: 2004-7-13 10:28
// last modify by: N / A
// last modify date: n / a
String.Prototype.issAlidnegativeinteger = function ()
{
Var result = this.match (/ ^ - / d $ /);
IF (result == null) Return False;
Return True;
}
// Function name: isvalidNumber
// Function Description: Judging whether the input is a number
// Creation Date: 2004-7-13 10:01
// last modify by: N / A
// last modify date: n / a
String.Prototype.issalidNumber = function ()
{
Return! isnan (this);
}
// Function name: isvalidletters
// Function Description: Judging whether the input is a string consisting of A-Z / A-Z
// Creation Date: 2004-7-13 10:10
// last modify by: N / A
// last modify date: n / a
String.Prototype.issAlidletters = function ()
{
Var Result = this.match (/ ^ [a-za-z] $ /);
IF (result == null) Return False;
Return True;
}
// function name: isvaliddigits
// Function Description: Judging whether the input is a number composed of 0-9
// Creation Date: 2004-7-13 10:10
// last modify by: N / A
// last modify date: n / a
String.prototype.issAliddigits = function ()
{
Var Result = this.match (/ ^ [1-9] [0-9] $ /);
IF (result == null) Return False;
Return True;
}
// function name: isvalidalphanumeric
// Function Description: Judging whether the input is a string consisting of 0-9 / A-Z / A-Z
// Creation Date: 2004-7-13 10:14
// last modify by: n / a // last modify date: n / a
String.Prototype.issalidalPhanumeric = function ()
{
Var Result = this.match (/ ^ [A-ZA-ZA-Z0-9] $ /);
IF (result == null) Return False;
Return True;
}
// function name: isvalidstring
// Function Description: Determined whether the input is a string consisting of 0-9 / a-z / a-z /. / _
// Creation Date: 2004-7-13 10:20
// last modify by: N / A
// last modify date: n / a
String.prototype.issalidstring = function ()
{
Var Result = this.match (/ ^ [A-ZA-ZA-Z0-9 / s ./-_] or all);
IF (result == null) Return False;
Return True;
}
// function name: isvalidPostalcode
// Function Description: Judging whether the input is a valid zip code
// Creation Date: 2004-7-13 10:22
// last modify by: N / A
// last modify date: n / a
String.Prototype.issAlidPostalcode = function ()
{
Var Result = this.match (/ (^ [0-9] {6} $) /);
IF (result == null) Return False;
Return True;
}
// function name: isvalidphoneno
// Function Description: Judgment is a valid phone number
// Creation Date: 2004-7-13 10:22
// last modify by: N / A
// last modify date: n / a
String.Prototype.issAlidPhoneno = function ()
{
Var result = this.match (/ (^ [0-9] {3, 4} / - [0-9] {3,8} $) | (^ [0-9] {3,8} $) | (^ / ([0-9] {3, 4} /) [0-9] {3, 8} $) /);
IF (result == null) Return False;
Return True;
}
// function name: isvalidMobileno
// Function Description: Judging whether the input is a valid mobile number
// Creation Date: 2004-7-13 10:23
// last modify by: N / A
// last modify date: n / a
String.Prototype.issalidMobileno = function ()
{
Var result = this.match (/ (^ 0 {0, 1} 13 [0-9] {9} $) /);
IF (result == null) Return False;
Return True;
}
