Allow only numbers and colon (:) on KeyPress in TextBox using JavaScript in ASP.Net

Question

Hallo friendsCould you please help me to validate a textbox I would like it to accept only numbers from 0 to 9 and Character      Thanks for helping Bonhomme Sanon

Indresh · Accepted Answer

Hi BonhommePlease refer belowAllow only numbers and dot character in TextBox using JavaScriptHTMLlthtml xmlns34httpwwww3org1999xhtml34gtlthead id34Head134 runat34server34gt    lttitlegtlttitlegt    ltscript type34textjavascript34gt        function onlyNumbersWithColone             var charCode            if ekeyCode gt 0                 charCode  ewhich  ekeyCode                        else if typeof echarCode  34undefined34                 charCode  ewhich  ekeyCode                        if charCode  58                return true            if charCode gt 31 ampamp charCode lt 48  charCode gt 57                return false            return true            ltscriptgtltheadgtltbodygt    ltform id34form134 runat34server34gt    ltdivgt        ltinput type34text34 name34name34 onkeypress34return onlyNumbersWithColo

Allow only numbers and colon (:) on KeyPress in TextBox using JavaScript in ASP.Net

Hi Bonhomme,

Allow only numbers and dot character in TextBox using JavaScript

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