Check if String contains URL using JavaScript

Question

Client filled the form and i got the mail of filled detailsAddress  Office 366 Zine Square 6 Business Bay HttpsWwwLuxurypropertyComAs you can seeclient used the url link in address fieldIs it Possible that we can write javascript for not accepting url link httpwwwSo when client enters any text like HttpsWwwLuxurypropertyCom the javascript message should display saying http or www links not allowedAny help will be appreciated

pandeyism · Accepted Answer

Hi  chetanUse regular expression to check the statementRefer below codeHTMLlthtml xmlns34httpwwww3org1999xhtml34gtltheadgt    lttitlegtlttitlegtltheadgtltbodygt    ltscript type34textjavascript34gt        function CheckUrl             var text  documentgetElementById39txtStatement39value            if new RegExp34azAZ09azAZ09azAZ09azAZ09AZaz240934testtext                 alert34Url is present in this statement34                        else                 alert34Url not is present in this statement34                        ltscriptgt    ltinput type34text34 id34txtStatement34 style34width 450px34 value34Office 366 Zine Square 6 Business Bay httpswwwLuxurypropertyCom34 gt    ltinput id34btnCheck34 type34button34 value34Check Url34 onclick34Chec

chetan · Answer

i slightly modified your javascript and it workedfunction CheckUrl     var text  documentgetElementById39ltaddtxtClientIDgt39value    if new RegExp34azAZ09azAZ09azAZ09azAZ09AZaz240934testtext         alert34Url is not allowed in address field34        return false

Check if String contains URL using JavaScript

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