Accept alphanumeric characters or alphabets in TextBox using JavaScript

Question

I have the following input boxltinput id34address134  class34work34 gtAddress1ltinput id34address234  class34work34 gtAddress2ltinput style34float right marginbottom20px34 type34submit34 id34myBtn34 value34Submit34 class34btn btnprimary34  gtI dont want user to type only digits in the input box I want them to type both digits and alphabets If the user only type digits then an error is raised when the user clic

steven · Accepted Answer

Hi anjali600Refer below sampleHTMLlthtmlgtltheadgt    ltmeta charset34utf834 gt    lttitlegtlttitlegtltheadgtltbodygt    ltinput id34txtValue34 class34work34 gt    ltinput type34button34 value34Submit34 onclick34SubmitBtn34 gt    ltscript type34textjavascript34gt        function SubmitBtn             var txtValue  documentgetElementById34txtValue34            if azAZ09itesttxtValuevalue                 if azAZitesttxtValuevalue ampamp 09itesttxtValuevalue                     alert39Can only be alphanumeric or alphabet39                                        ltscriptgtltbodygtlthtmlgtDemo

Accept alphanumeric characters or alphabets in TextBox using JavaScript

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