数据验证（data validation）.docVIP

数据验证（data validation） //-------- Check whether the current browser / / Netscape //-------- Function, isNetscape () { App=navigator.appName.substring (0,1); If (app==N) return true; Else {return false;} } //-------- / / verify the legitimacy of data //-------- Function isValidReg (chars) { Var re=/||\[|\]|\{|\}| | | * |, | - | |, | Delta | \ \ ^ * * | | | -- | - | - | | |: we | | / | theflexural | source u | | | frame building | V U | |, |, | Taiwan | hate | red | the process of | V | at | can be | | | Japanese | the | | San |. | oh oh | | so | | | | en | | | | a moment compared with an | | which | - | | | \*|@|#|\^|\\/; If (re.test (chars) = = true) { Return false; }else{ Return true; } } //-------- Check the length of the data is legitimate / //-------- Function isValidLength (chars, len) { If (chars.length len) { Return false; } Return true; } //-------- / / verify the legitimacy of URL //-------- Function isValidURL (chars) { //var re=/^ ([hH][tT]{2}[pP]: \/\/|[hH][tT]{2}[pP][sS]: \/\/) ((((-*\w*) \w+ (+).) + ((COM) | (net) | (EDU) | (gov) | (ORG) | (biz) | (aero) | (coop) | (info) | (name) (| Pro |) (Museum) (). ([a-z]{2})) | (?) (\w+ (-*\w*) +). (CN))) /; Var re=/^ ([hH][tT]{2}[pP]: \/\/|[hH][tT]{2}[pP][sS]: \/\/) (\S+\.\S+) /; //var re=/^ ([hH][tT]{2}[pP]: \/\/|[hH][tT]{2}[pP][sS]: \/\/ (((\w+) (((-*\w*) +). (+) (COM) | (net) | (EDU) | (gov) | (ORG) | (biz) | (aero) | (coop) | (info) | (name) | (pro) | (Museum) | (CN) | (TV) (HK) (|). ([a-z]{2})) | (?) (\w+ (-*\w*) +). (CN)) (\S*) (\/|\?)) * /); If ((isNULL (chars)) { Chars = jsTrim (chars); If (chars.match (RE) = null) Return false; Else Return true; } Return false; } //-------- / / legitimacy check digit //-------- Function isValidDecimal (chars) { Var re=/^\d*\.? \d{1,2}$/?; If (chars.match (RE) = null) Return false; Else Return true; } //-------- / / legitimacy check digit //-------- Function isNumber (chars) { Var re=/^\d*$/; If (chars.match (RE) = null) Return false; Else Return true; } //-------- / / v