Java validation form, regular expression

package org.mo.open.common.util;/** *  Check form tools  *  *  @author  moziqi  * */public final class regexvalidateutil {private regexvalidateutil ()  {}private static boolean flag = false;private static String  regex =  "";/** *  verify QQ number  *  *  @param  QQ *  @return  * /PUBLIC STATIC BOOLEAN CHECKQQ (STRING QQ)  {String regex =  "^\\s*[.0-9" {5,10}\\s*$ "; Return check (Qq, regex);} /** *  Verify mobile number  *  *  Mobile number segment: 139, 138, 137, 136, 135, 134, 150, 151, 152, 157, 158, 159, 182, 183, 187, 188, 147 *  unicom number segment: 130, 131, 132, 136, 185, 186, 145  Telecom number segment: 133, 153, 180, 189 *  *  @param  cellphone *  @return  */public static boolean checkcellphone (String  cellphone)  {String regex =  "^ (13[0-9) | ( 14[5|7]) | (15 ([0-3]|[ 5-9])) | (18[0,5-9])) \\d{8}$ "; Return check (Cellphone, regex);} /** *  Verifying landline numbers  *  *  @param  telephone *  @return  */public  Static boolean checktelephone (string telephone)  {String regex =  "^ (0\\d{2}- \\d{8} (-\\d{1,4})?) | (0\\d{3}-\\d{7,8} (-\\d{1,4})?) $ "; Return check (Telephone, regex);} /** *  Verify Fax number  *  *  @param  fax *  @return  */public static  boolean checkfax (string fax)  {String regex =  "^ (0\\d{2}-\\d{8} (-\\d{1,4})?) | (0\\d{3}-\\d{7,8} (-\\d{1,4})?) $ "; Return check (Fax, regex);} /** *  Verification Email  *  *  @param  email *  @return  */public static  boolean checkemail (string email)  {String regex =  "^\\s*\\w+ (?: \ \. {0,1} [\\w-]+) *@[a-za-z0-9]+ (?: [-.] [a-za-z0-9]+] *\\. [a-za-z]+\\s*$]; Return check (Email, regex);} /** *&nbSP; Verify non-empty  *  *  @param  notEmputy *  @return  */public static  Boolean checknotemputy (string notemputy)  {regex =  "^\\s*$"; Return check ( Notemputy, regex)  ? false : true;} Private static boolean check (String str, string regex)  {try {flag  = str.matches (regex);}  catch  (Exception e)  {flag = false;} Return flag;}}

Java validation form, regular expression