日期:2014-05-16 浏览次数:20507 次
/** regexp-validate-data.js **/
function anyChar(str) {
/* Verify at least one nonspace character
* or string of characters
* Return boolean
*/
return /\S+/.test(str);
}//eof - anyChar
function anyWord(str) {
/* Verify at least one word character
* or string of word characters
* a word character is alpha numeric or underscore
* Return boolean
*/
return /\w+/.test(str);
}//eof - anyWord
function any3letters(str) {
/* At least 3 consecutive letters anywhere in str
* case insensitive
* Return boolean
*/
return /[a-z]{3}/i.test(str);
}//eof - any3letters
function any10Char(str) {
/* Verify exactly 10 nonspace character
* Return string
*/
if (/^\S{10}$/.test(str))
return "Valid";
else if (/\s/.test(str))
return "Invalid space";
else if (/^\S{11,}$/.test(str))
return "Too long!";
else
return "Too short!";
}//eof - any10Char
function anyVar10(str) {
/* Verify valid JavaScript variable name
* of exactly 10 characters
* Return string
*/
if (/^[a-z$_]\w{9}$/i.test(str))
return "Valid";
else if (/^[^a-z$_]/i.test(str))
return "First Char Not Alpha!";
else if (/^[a-z$_]\W/i.test(str))
return "Invalid Character!"
else if (/^\w{11,}$/.test(str))
return "Too long!";
else
return "Too short!";
}//eof - anyVar10
function anyClass5(str) {
/* Verify valid CSS class name of at least 5 characters
* Return string
*/
if (/^[a-z][a-z0-9\-]{4,}$/i.test(str))
return "Valid";
else if (/^[^a-z]/i.test(str))
return "First Char Not Alpha!";
else if (/[^a-z0-9\-]/i.test(str))
return "Invalid Character!";
else
return "Too short!";
}//eof - anyClass5
function any4Words(str) {
/* Verify at least 4 words can be 1 letter or digit
* Return boolean
*/
return /(\b[a-z0-9]+\b.*){4,}/i.test(str);
}//eof - any4Words
function three3lettered(str) {
/* Verify at least 3 words having at least 3 characters
* Return boolean
*/
return /(\b[a-z0-9]{3,}\b.*){3,}/i.test(str);
}//eof - three3lettered
function varTest(data) {
/* Verify valid JavaScript variable name any length
* Return string
*/
if (/^[a-z$_][\w$]*$/i.test(data))
return "Valid JavaScript Name";
else if (/^[^a-z$_]/i.test(data))
return "Invalid First Character!";
else
return "Invalid Character!";
}//eof - varTest
function classTest(data) {
/* Verify valid CSS class name any length
* Return string
*/
if (/^[a-z][a-z0-9\-]*$/i.test(data))
return "Valid Class Name";
else if (/^[^a-z]/i.test(data))
return "Invalid First Character!";
else
return "Invalid Character!";
}//eof - classTest
function phpTest(data) {
/* Verify valid PHP variable name any length
* Return string
*/
if (/^\$[\w]*$/i.test(data))
return "Valid PHP/Perl Identifier";
else if (/^[^$]/.test(data))
return "Invalid First Character!";
else
return "Invalid Character!";
}//eof - phpTest
function validate_file(data){
/* Parses filename and extension
* for specified extenstions
*
* Returns Object
*/
data = data.replace(/^\s*|\s*$/g, ""); //trims string
return /^[a-z]\w*\.(asp|html|htm|shtml|php)$/i.test(data)
}//eof - validate_file
/* Three different email tests return boolean */
function isEmail1(data) {
return /^[a-zA-Z0-9_\-.]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9]+$/i.test(data);
}//eof - isEmail1
function isEmail2(data) {
return /^[\w.\-]+@[\w\-]+\.[a-zA-Z0-9]+$/i.test(data);
}//eof - isEmail2
function isEmail3(data) {
//recommended expression: most complete
return /^([\w]+)(\.[\w]+)*@([\w\-]+)(\.[\w]{2,4})(\.[a-z]{2})?$/i.test(data);
}//eof - isEmail3
function isS