Php js ip address and domain name format detection code

Php ip address format Detection Function

Copy codeThe Code is as follows:
Function checkIp ($ ip ){
$ Ip = str_replace ("", "", $ ip );
$ Ip = strtolower ($ ip );
$ Ip = str_replace ("http: //", "", $ ip );
$ Ip = str_replace ("https: //", "", $ ip );
If (preg_match ('/[A-Za-z _-]/', $ ip )){
If (preg_match ('/^ ([\ w-] + \.) + (com) | (net) | (org) | (gov \. cn) | (info) | (cc) | (com \. cn) | (net \. cn) | (org \. cn) | (name) | (biz) | (TV) | (cn) | (mobi) | (name) | (sh) | (ac) | (io) | (tw) | (com \. tw) | (hk) | (com \. hk) | (ws) | (travel) | (us) | (tm) | (la) | (me \. uk) | (org \. uk) | (ltd \. uk) | (plc \. uk) | (in) | (eu) | (it) | (jp) | (co) | (me) | (mx) | (ca) | (ag) | (com \. co) | (net \. co) | (nom \. co) | (com \. ag) | (net \. ag) | (fr) | (org \. ag) | (am) | (asia) | (at) | (be) | (bz) | (com \. bz) | (net \. bz) | (net \. br) | (com \. br) | (de) | (es) | (com \. es) | (nom \. es) | (org \. es) | (fm) | (gs) | (co \. in) | (firm \. in) | (gen \. in) | (ind \. in) | (net \. in) | (org \. in) | (jobs) | (MS) | (com \. mx) | (nl) | (nu) | (co \. nz) | (net \. nz) | (org \. nz) | (tc) | (tk) | (org \. tw) | (idv \. tw) | (co \. uk) | (vg) | (ad) | (AE) | (af) | (ai) | (al) | (an) | (ao) | (aq) | (ar) | (as) | (au) | (aw) | (az) | (ba) | (bb) | (bd) | (bf) | (bg) | (bh) | (bi) | (bj) | (bm) | (bn) | (bo) | (br) | (bs) | (bt) | (bv) | (bw) | (by) | (cd) | (cf) | (cg) | (ch) | (ci) | (ck) | (cl) | (cm) | (cr) | (cu) | (cv) | (cx) | (cy) | (cz) | (dj) | (dk) | (dm) | (do) | (dz) | (ec) | (ee) | (eg) | (er) | (et) | (fi) | (fj) | (fk) | (fo) | (ga) | (gd) | (ge) | (gf) | (gg) | (gh) | (gi) | (gl) | (gm) | (gn) | (gp) | (gq) | (gr) | (gt) | (gu) | (gw) | (gy) | (hm) | (hn) | (hr) | (ht) | (hu) | (id) | (ie) | (il) | (im) | (iq) | (ir) | (is) | (je) | (jm) | (jo) | (ke) | (kg) | (kh) | (ki) | (km) | (kn) | (kr) | (kw) | (ky) | (kz) | (lb) | (lc) | (li) | (lk) | (lr) | (ls) | (lt) | (lu) | (lv) | (ly) | (ma) | (mc) | (md) | (mg) | (mh) | (mk) | (ml) | (mm) | (mn) | (mo) | (mp) | (mq) | (mr) | (mt) | (mu) | (mv) | (mw) | (my) | (mz) | (na) | (nc) | (ne) | (nf) | (ng) | (ni) | (no) | (np) | (nr) | (nz) | (om) | (pa) | (pe) | (pf) | (pg) | (ph) | (pk) | (pl) | (pm) | (pn) | (pr) | (ps) | (pt) | (pw) | (py) | (qa) | (re) | (ro) | (ru) | (rw) | (sa) | (sb) | (SC) | (sd) | (se) | (sg) | (si) | (sk) | (sl) | (sm) | (sn) | (sr) | (st) | (sv) | (sy) | (sz) | (td) | (tf) | (tg) | (th) | (tj) | (tl) | (tn) | (to) | (tr) | (tt) | (tz) | (ua) | (ug) | (uk) | (uy) | (uz) | (va) | (vc) | (ve) | (vi) | (vn) | (vu) | (wf) | (ye) | (yt) | (yu) | (za) | (zm) | (zw) $/I ', $ ip )){
Return true;
} Else {
Return false;
}
} Else {

$ IpArray = explode (".", $ ip );
$ J = count ($ ipArray );
If ($ j! = 4)
{
Return false;
}
For ($ I = 0; $ I <4; $ I ++ ){

If (strlen ($ ipArray [$ I]) = 0 | $ ipArray [$ I]> 255 ){
Return false;
}
}
Return true;
}

}


JS Code:

Copy codeThe Code is as follows:
Function checkIP (){
Var ipArray, ip, j;
Ip = document. ipform. ip. value;

If (ip. indexOf ("")> = 0 ){
Ip = ip. replace (// g ,"");
Document. ipform. ip. value = ip;
}
If (ip. toLowerCase (). indexOf ("http: //") = 0 ){
Ip = ip. slice (7 );
Document. ipform. ip. value = ip;
}
If (ip. toLowerCase (). indexOf ("https: //") = 0 ){
Ip = ip. slice (8 );
Document. ipform. ip. value = ip;
}
If (ip. slice (ip. length-1) = "/"){
Ip = ip. slice (0, ip. length-1 );
Document. ipform. ip. value = ip;
}

If (/[A-Za-z _-]/. test (ip )){
If (! /^ ([\ W-] + \.) + (com) | (net) | (org) | (gov \. cn) | (info) | (cc) | (com \. cn) | (net \. cn) | (org \. cn) | (name) | (biz) | (TV) | (cn) | (mobi) | (name) | (sh) | (ac) | (io) | (tw) | (com \. tw) | (hk) | (com \. hk) | (ws) | (travel) | (us) | (tm) | (la) | (me \. uk) | (org \. uk) | (ltd \. uk) | (plc \. uk) | (in) | (eu) | (it) | (jp) | (co) | (me) | (mx) | (ca) | (ag) | (com \. co) | (net \. co) | (nom \. co) | (com \. ag) | (net \. ag) | (fr) | (org \. ag) | (am) | (asia) | (at) | (be) | (bz) | (com \. bz) | (net \. bz) | (net \. br) | (com \. br) | (de) | (es) | (com \. es) | (nom \. es) | (org \. es) | (fm) | (gs) | (co \. in) | (firm \. in) | (gen \. in) | (ind \. in) | (net \. in) | (org \. in) | (jobs) | (MS) | (com \. mx) | (nl) | (nu) | (co \. nz) | (net \. nz) | (org \. nz) | (tc) | (tk) | (org \. tw) | (idv \. tw) | (co \. uk) | (vg) | (ad) | (AE) | (af) | (ai) | (al) | (an) | (ao) | (aq) | (ar) | (as) | (au) | (aw) | (az) | (ba) | (bb) | (bd) | (bf) | (bg) | (bh) | (bi) | (bj) | (bm) | (bn) | (bo) | (br) | (bs) | (bt) | (bv) | (bw) | (by) | (cd) | (cf) | (cg) | (ch) | (ci) | (ck) | (cl) | (cm) | (cr) | (cu) | (cv) | (cx) | (cy) | (cz) | (dj) | (dk) | (dm) | (do) | (dz) | (ec) | (ee) | (eg) | (er) | (et) | (fi) | (fj) | (fk) | (fo) | (ga) | (gd) | (ge) | (gf) | (gg) | (gh) | (gi) | (gl) | (gm) | (gn) | (gp) | (gq) | (gr) | (gt) | (gu) | (gw) | (gy) | (hm) | (hn) | (hr) | (ht) | (hu) | (id) | (ie) | (il) | (im) | (iq) | (ir) | (is) | (je) | (jm) | (jo) | (ke) | (kg) | (kh) | (ki) | (km) | (kn) | (kr) | (kw) | (ky) | (kz) | (lb) | (lc) | (li) | (lk) | (lr) | (ls) | (lt) | (lu) | (lv) | (ly) | (ma) | (mc) | (md) | (mg) | (mh) | (mk) | (ml) | (mm) | (mn) | (mo) | (mp) | (mq) | (mr) | (mt) | (mu) | (mv) | (mw) | (my) | (mz) | (na) | (nc) | (ne) | (nf) | (ng) | (ni) | (no) | (np) | (nr) | (nz) | (om) | (pa) | (pe) | (pf) | (pg) | (ph) | (pk) | (pl) | (pm) | (pn) | (pr) | (ps) | (pt) | (pw) | (py) | (qa) | (re) | (ro) | (ru) | (rw) | (sa) | (sb) | (SC) | (sd) | (se) | (sg) | (si) | (sk) | (sl) | (sm) | (sn) | (sr) | (st) | (sv) | (sy) | (sz) | (td) | (tf) | (tg) | (th) | (tj) | (tl) | (tn) | (to) | (tr) | (tt) | (tz) | (ua) | (ug) | (uk) | (uy) | (uz) | (va) | (vc) | (ve) | (vi) | (vn) | (vu) | (wf) | (ye) | (yt) | (yu) | (za) | (zm) | (zw) $/I. test (ip )){
Alert ("Incorrect domain name ");
Document. ipform. ip. focus ();
Return false;
}
}
Else {
IpArray = ip. split (".");
J = ipArray. length
If (j! = 4)
{
Alert ("Incorrect IP Address ");
Document. ipform. ip. focus ();
Return false;
}

For (var I = 0; I <4; I ++)
{
If (ipArray [I]. length = 0 | ipArray [I]> 255)
{
Alert ("Incorrect IP Address ");
Document. ipform. ip. focus ();
Return false;
}
}
}
}


Note: The single row of the above function is very long. After copying, be sure not to split it.