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Re:JavaScript Validation of only "|" (pipe) in the
[quote="rangana":2dw8jcem]A basic example: [code:2dw8jcem] <input type="text" value="t|e|s|t" onblur="alert(this.value.indexOf('|')>-1?'Pipe should not exist.':'It\'s a valid input');"> [/code:2dw8jcem][/quote:2dw8jcem] the above code is working very fine but My requirement is , when i enter "|" (pipe) it must not show in the text grid . Please see my code and reply me ASAP . The below code is my text area [code:2dw8jcem] <textarea rows="4" cols="40" onKeyDown="textCounter(this.form.UNFCCC_Comments,this.form.remLen, 250)" onKeyUp="textCounter(this.form.UNFCCC_Comments,this.form.remLen, 250)" > [/code:2dw8jcem] The below code is JS [code:2dw8jcem] function textCounter(field, countfield, maxlimit) { //var re = /^[a-zA-Z0-9\n\r\f]*$/; // checking for all the special characters. var re = "t|e|s|t" ; if (!re.test(field.value)) { field.value = field.value.replace(('|'),""); //alert(this.value.indexOf('|')>-1?'Pipe should not exist.':'It\'s a valid input'); } else if (field.value.length > maxlimit) // if too long...trim it! field.value = field.value.substring(0, maxlimit); else // otherwise, update 'characters left' counter countfield.value = maxlimit - field.value.length; } function trim(str) { return str.replace(/^\s*|\s*$/g,""); } function startsWith(str1, str2) { return (str1.match("^"+str2)==str2); } function endsWith(str1, str2) { return (str1.match(str2+"$")==str2) } [/code:2dw8jcem]