javascript validation to allow only alphabets and space

How to allow only capital letters in Google Forms ... JavaScript : Password validation - w3resource When I first wrote it as this: REGEX (Last_Name__c ," ( [a-zA-Z])*"))) -- without the hyphen, I was getting it to work to allow spaces. JS code: using regex to validate an input field First, we create a regex pattern, while allowing alphabets, numeric dash, underscore, and space. 1. allow only Alphabets and Numbers in TextBox using JavaScript. page: <p:inputText onkeypress="onlyLetter(this)"> . On the Data menu, click Validation, and then click the Settings tab. If it is valid, make the character valid and add to the input else not. Below is a code in HTML and JavaScript to validate a text field if . Allow only the Alphabets inside the Textbox javascript (Exception:BackSpace),allow only alphabets inside textbox,how to validate textbox to accept only characters,allowing only alphabets in text box using java script - Allow only the Alphabets inside the Textbox But it is accepting other characters. - Bhumika Kansara Jan 23 '20 at 10:00 please suggest me good regex. For above reg expression, valid input contains only alphabets. JavaScript function to allow only AlphaNumeric, Dot (Period) and Underscore in Username When the Submit Button is clicked, the Username in the TextBox will be validated using JavaScript and Regular Expression (Regex) and if the Username is invalid, the error message will be displayed next to the TextBox using JavaScript. Sometimes situations arise when a user should fill a single or more than one fields with alphabet characters (A-Z or a-z) in an HTML form. Alphabets can be upper or lower case letters. The posted code does display the "Only letters and white space allowed" errors when you enter wrong characters in those fields. However, once I added the hyphen in, the hyphen was allowed but spaces were no longer allowed. allow only alphanumeric in textbox using jquery on keypress. hi sir i want enter name in textbox allow alphabets and space and dot are taken and phone also enter only numbers and hiffen (-) also taken how using javascript with asp.net. You can restrict input to numbers only but not letters. Here is a complete sequence of form validation codes. I need a jquery or js function to only allow enter letters and white spaces. In a certain input field, only alphabets are allowed i.e. This validation is used for only alphabetical and space allow for specific fields. What am I missing? So, the following field will take input accordingly. Hope this helps. Description: In previous articles I explained jQuery regular expression to validate url without http(s), regular expression to validate phone number in jquery, regular expression to replace all special characters with spaces in c#, regex email validation in c# and many articles relating to validation, JQuery.Now I will explain regular expression to allow special characters and spaces. We have used isNaN () function for validation of the textfield for numeric value only. Now I will explain how to allow only alphabets in textbox using JQuery. I have done little modification to reduce the redundancy of the code. You can write a JavaScript form validation script to check whether the required field (s) in the HTML form contains only letters. How to validate that input string contains only alphabets, validating that textbox contains only alphabets (letter), so here is some of the ways for doing such task. Using regular expressions the entered content can be validated with advanced conditions like the string entered shouldn't . Sorry for the confusion. Click the Source box and then do one of the following: To define the list locally, type the list values separated by commas. So, user can't enter non-numeric characters in those particular fields. JavaScript function to allow only AlphaNumeric (Alphabets and Numbers) characters and space in TextBox Initially an Array is created which stores the ASCII Key Codes of all the allowed Special Characters. I have the above Validation Rule whose aim is to accept only Alphabetic and Numeric characters. 0. Though the validations will fail at the Database level when there is data type mismatch. We have OOTB "AlphabeticValidation" edit validate rule which checks if the specified string contains all letters, accepts an input parameter of string type. Letters (A-Z . + means one-or-more and works well. If you donâ t know the ASCII code of a character then you can view it from here and define your condition in the keypress Event handler. sainivip. Since we are capturing the keyup event . Textbox validation to accept numbers,+,- and empty space How do I write a regex to accept spaces in gherkin hii..i want a textbox in asp.net with validation of accepting only letters no numbers should be accepted before or after the letters Some of regular expression given below for validating alphanumeric value only, alphanumeric with whitspace only and alphanumeric with whitespace and some special characters. Active 6 years, 3 months ago. Add a Solution. for example: /^ [a-z]+$/. For example, my son's complete name will be "Muhammad Ahmad". Similarly, by opting for JavaScript validation for alphabets only, one is enabled to use alphabets completely in place where there were a lot of alphanumeric used. 1- The. In this video, I have explained how we can allow only capital letters for a short answer question in Google Forms. If you still have problems please post - the String onsubmit = return formValidation (). How to check if a canvas is empty or blank Maintain div or panel scroll position after postback in asp.net update panel Draggable button using jquery ui Get total number of tables, views, stored procedures and functions count and names in sql server JavaScript function to get date in mmddyyyy hhmmss ampm forma By default, regexes are case-sensitive, [a-z] only matches lower cases letters. Use the event.which to get the ASCII code of the pressed character to check. space character that may require even if we are entering only alphabets. Let's take each field one by one with its validation code. For handling the only alphanumeric in the input box we simply add an input control with the (keypress) event handler to call the keyPressAlphanumericl().. Below is the code snippet along with the output. . Select the cell to validate. If SmartCheck is enabled, every reference to . 1. It works by matching the input value against a regular expression. We have the textbox on our webpage, now with JavaScript, we are able to validate our textbox to allow only Alphanumeric ie ( allow alphabet & numbers), spaces, and dash. Here is the code for allowing only alphabets on key press. or numeric or alpha-number or alpha-number with space but no special character are allowed. In this article, I will demonstrate how to allow user to input only numeric or only alphabet or only alphanumeric characters in a TextBox field by using JQuery.The program also prevents user from copying and pasting invalid characters into the TextBox. August 1, 2014 at 3:01 AM Now next is to allow only alphanumeric in the Angular input box. b) If the entered value is not an alphabet, it gives an alert. Hi there. Specify the type of validation you want: Allow values from a list In the Allow box, click List. Posted 11-Nov-12 19:21pm. Input Form controls can be used to mask and allow only specific values. In remarks fields we don't want that user can enter anything, user can only able to enter alphanumeric with white space and some spacial character like -,. This can be used in the name field where there are no alphabets required to be used. The validation will surely fail as the datatype in table would be int/smallint. Javascript validation only for integer.No Alphabets are allowed Validation for Textbox to avoid alphabets and other characters how we allow only alphabet and numeric values in textbox in asp.net(others are not valid like special chaacters) Here I will explain how to validate Email,phone number,to allow only characters and spaces and for allow only numbers using JavaScript validations in asp.net. Valid Scenario: input value is only alphabet. Maximum two words and one space is allow between them. This validation get only letters and spaces not numbers or special characters, etc. In this video, I have discussed character/alphabet validation using JavaScript.Problems Discussed in this video:1) Show alert box when input field is empty.. space character that may require even if we are entering only alphabets. Thanks in advance. In this article I will show you how you can restrict user to allow only enter alphabet in a text box using javascript in your asp.net application. In the input tag use onkeypress javascript event and write code for letters and spaces between double quote. Allow Letters, Numbers, Underscores and Hyphens. In the drag-and-drop authoring environment, you set the validation for a field by double-clicking the field . The JavaScript syntax can be entered into the JavaScript Validation field on the custom field settings page.. Restrict text field to allow only letters or a space to be entered. Here Mudassar Ahmed Khan has explained with an example, how to perform Alphabet validation i.e. Method 1: Javascript validation for textbox to allow only alphanumeric In some specific condition we have to allow only alphanumeric characters in a textbox using javascript. The pattern attribute of the <input> element allows you to add basic data validation without resorting to JavaScript. Only numeric input should be allowed for some fields. This JavaScript function will be used to restrict alphabets and special characters in Textbox , only numbers, delete, arrow keys and backspace will be allowed. This article will illustrate how to perform AlphaNumeric validation for TextBox i.e. Input type text and allow only letters and space in HTML is very easy. 2- The King. accept only numbers. I need ur appreciated help. A regular expression is a formalized string of characters that define a pattern. Description I have a one sample registration form that contains fields like Name, Email, PhoneNo . Text-field data is passed in the function and if passed data is number then isNan () returns true and if data is not number or combination of both number and alphabets then it returns false. On the OnClientClick event of the Button, a JavaScript function is executed which validates the TextBox text against the Regular Expression (Regex) and if it contains character . In addition to the built-in Numeric, Alphabetic, Date and Allow Empty validations available on Custom Fields, users can also define their own validation or criteria for a custom field by creating a validation based on JavaScript syntax.. Send email or report only when a field value is updated. This one checks that the input contains any number of letters, numbers, hyphens and underscores: ^[a-zA-Z0-9_-]*$ If you want the input to have at least one character, replace * with +: So, user can't enter non-numeric characters in those particular fields. JavaScript Code Snippet - Allow Numbers in TextBox, Restrict Alphabets and Special Characters JavaScript function JavaScript alphabets and spaces validation Spaces and Letters or alphabets only validation in JavaScript is used to make sure that all the characters entered in the specified field must be any character from A-Z or a-z or white space. This is completed in only one line code. After reading this article you'll be able to do advanced javascript validation using regular expressions a.k.a. Accept Only Alphabets in a Textbox. formula validation validation-rule. Ask Question Asked 7 years, 10 months ago. There are few scenarios. For example, to get Customer ID we only want a user to enter numbers and for a username only alphanumeric characters are needed. I have done in following eay but it is not working: This is not possible in a Power Apps text field. What I want is for Last Name to include only a-z, A-Z, hyphens or spaces. I want to do Javascript validation for my textbox that should allow only Alpha characters, hyphen -, dot ., apostrophe ', and space. You can use Edit validate rule to achieve the same. Example 1: This example using the approach discussed above using JavaScript. How to Validate Text fields allow only Alphabets and Spaces Dynamics 365 CRM Portals Javascript validation to allow only Alpha characters, hyphen (-), dot (. Edit (from comments) I just figured out it is Encrypted field. RegExp for basic javascript validation read Javascript Validation - Textbox Combobox Radiobutton Checkbox. "Type in the box to see whether the input is valid or not."; el_down.innerHTML = "Typed Valid Character."; Only Character Limited to alphabetic character input only with an exception i.e. 2. only numbers and decimal point JavaScript? how to allow only alphabets and space in textbox using AngularJS. Sep 22 2016 9:10 AM. Javascript function to check if a field input contains letters and numbers only. IsMatch(TextInput1.Text, "[a-zA-Z\s]+") More details on the ISMATCH function here: First, a User Full Name field that will allow entering only alphabets and a space character. No any letters and no any spaces.. Rather than using this regular expression validation you can place this code below text box. Explanation: The code shown above matches a regular expression / [^a-zA-Z0-9 ]/g that finds all characters that are not alphabets or numbers. Within the brackets you just add the ranges/characters you want, keeping in mind the comments above. A character class can set up the allowed range of characters. About technical, I use regular expression to prevent unexpected characters in keyup event.. How to implement Only Character Limited to alphabetic character input only with an exception i.e. One step further, user can't even copy-paste non-numeric input. As a workaround you can check whether only letters and spaces were input into the text box using this code . We are using here key up (keyup) event. there not allowed any number or special character. If the user enters a character that is an alphabet or number, the character is replaced with an empty string. Just created one reusable method where you need to pass the validation details. a-z, A-Z or 0-9) we use a regular expression /^ [0-9a-zA-Z]+$/ which allows only letters and numbers. This can be done using shorter words in the text box. When User types in the TextBox, the text in the TextBox will be validated using OnKeyPress event handler in JavaScript and if the inputted character is not Alphabet i.e. "allow only letters in input javascript" Code Answer's how to check if a string has only alphabets in javascript javascript by Real Rabbit on Jun 11 2020 Comment a-z, A-Z or 0-9) we use a regular expression /^ [0-9a-zA-Z]+$/ which allows only letters and numbers. Best Regards, Mounika Now just extend that to cover all your characters. We will write code in such a way that the textbox will accept only AlphaNumeric ( Alphabets and Numbers) characters and space character. For reference, the capital A-Z start from 65 and ends at 90 and small a-z starts from 97 and ends at 122. But for this you must have AJAxControltoolkit as ddl and add it to refrences. Updated 7-Nov-20 23:26pm. It is encrypted through an external application (not Salesforce default encryption field). In previous posts I explained jQuery Allow only numbers in textbox, jQuery disable cut copy and paste options in textbox, jQuery Create Rounded Corners Textbox, jQuery slideUp, slideDown and slideToggle Example and many articles relating to JQuery, JavaScript, Asp.net. Javascript Validation For Enter only Alphabet Character in TextBox in Javascript or how to validate textbox to accept only characters or Allow only AlphaNumeric or Allow Only Alphabets In Textbox Using JavaScript or allow only characters in TextBox . This will works perfectly.It will not accept any letters,spaces etc. ^ [a-zA-Z]*$. if the validation is not passed, the form will display a red warning balloon and also the form cannot be e-signed until the field is validated. Numbers with decimal output Allow Only Alphanumeric in Angular Input. C# Code: string regExpression = @"^ [a-zA-Z]*$"; With alphanumeric regex at our disposal, the solution is dead simple. To get a string contains only letters and numbers (i.e. We can also use this method for a simple replace operation but in this case, we'll use it for replacing using a regular expression. Hi Need one regular expression which satisfy the flowing words -. See example below: Returns true if the specified string contains all letters. There is often a scenario where client want the user to enter only alphabets nothing else. One step further, user can't even copy-paste non-numeric input. Inside this function, we check if the character code of the input character lies between the standard ASCII character codes for alphabets. Note: For more details on various Keyboard key ASCII code please visit Keyboard Keys and Key Code Values. Like for example, we have a textbox for Age and user enter letters into it. Regular Expression: /^ [a-z] [a-z\s]*$/ Example <! etc if you allow. Validate existing email, validate password length, validate confirm password, validate to allow only integer inputs, these are some examples of validation. Javascript function to check for all letters in a field Hope this helps. Allow only alphabets in column in SQL Server Last Updated : 30 Aug, 2021 There may occur some situations when data in column should only be in alphabets, for example: Name column in details table. . Data Validation with Regular Expressions. 1. a) Performs validation for alphabets entered in the textbox. This JavaScript function will be used to restrict alphabets and special characters in Textbox , only numbers, delete, arrow keys and backspace will be allowed. Function allow_alphabets () takes input element as a parameter and we have created a variable textInput which has the value of text input. Complete Form Validation Codes Using JavaScript. Alphanumeric regex pattern. How to check if a canvas is empty or blank Maintain div or panel scroll position after postback in asp.net update panel Draggable button using jquery ui Get total number of tables, views, stored procedures and functions count and names in sql server JavaScript function to get date in mmddyyyy hhmmss ampm forma To get a string contains only letters and numbers (i.e. The regular expression pattern is discusse. Next the match () method of string object is used to match the said regular expression against the input value. Regular Expression (Regex) to accept only Alphabets and Space in TextBox using JavaScript. Includes HTML form tags. The following HTML Markup consists of a TextBox, a Button and an HTML SPAN. function ValidateField () { //1. In Javascript method replace (pattern, new_string) is available on all strings. We can use the given regular expression used to validate user input in such a way that it allows only alphanumeric characters. User-1760637409 posted Hi Friend, You can try the below example which is validate Numbers & special . Regex for names validation allow only letters and spaces. The script works in such a way that the Password TextBox will accept only alphabets, numbers i.e . Javascript function to check if a field input contains letters and numbers only. Alphanumeric characters are all alphabets and numbers i.e. Well, I don't see why the space is not allowed, the space is a character like any other. Only numeric input should be allowed for some fields. allow only Letters (A-Z) using OnKeyPress event in JavaScript. HTML File - formvalid.html. I need check that you enter only letters, numbers and special characters ",", "." and ";" in the TextareaS1 field. 2 possible options: - you forgot to include the space in the String - what you think is a space is not really a space but some other invisible character like the html non-breaking space Please confirm. The contacts first and last name must be alphabets ( [A-Z] [a-z]) var _expression = / [^a-z]/ig; //2. Only Alphabet are allowed. Either you didn't save your code or you made a change to the form but didn't reload the page to get the changes into the browser. Here Mudassar Ahmed Khan has explained, with an example, how to restrict user from entering Special Characters in TextBox using JavaScript. +$ allows to enter space for any field. After watching this video you will be able to validate jTextField with only accept Letters, white space and edit keys(del, backspace) only ..(you can not add. JavaScript Code Snippet - Allow Numbers in TextBox, Restrict Alphabets and Special Characters JavaScript function Decimal Validation OnKeypress all browser Javscript onkeyPress, onkeyUp and onkeyDown not fired initially validation of characters and phone numbers in javascript on keypress event Textbox validation to accept numbers,+,- and empty space How do I write a regex to accept spaces in gherkin hii..i want a textbox in asp.net with validation of accepting only letters no numbers should be accepted before or after the letters After the brackets you need a repeater in order to allow multiple instances of the characters. This is the function CheckmyForm. Next the match () method of string object is used to match the said regular expression against the input value. letters A-Z, a-z, and digits 0-9. char have a property named isLetter which is for checking if character is a letter or not, or you can check by the regular expression or you can validate your textbox through . ), apostrophe ('), and space . Viewed 6k times . Use validation if you want to only allow the entry of a specific format of data in the field. For example [a-zA-Z0-9]+ is a pattern that matches against a string of any length, as . This means, formValidation () will be called as soon as user submit the form. In this post, we'll discuss how to add a mask on Input control to restrict a user from entering restricted values. validation to allow only 2 records with same text field value. Observe the space after '9' to allow whitespaces. Check a password between 6 to 20 characters which contain at least one numeric digit, one uppercase . The following code allows only a-z, A-Z, and white space. Here we validate various type of password structure through JavaScript codes and regular expression. Check a password between 7 to 16 characters which contain only characters, numeric digit s and underscore and first character must be a letter. [ 0-9a-zA-Z ] + $ allows to enter numbers and for a field double-clicking! Letters into it settings tab entered into the text box a Button and an HTML SPAN words the! Be called as soon as user submit the form quot ; least one numeric digit, one uppercase match... Function allow_alphabets ( ) takes input element as a workaround you can check whether the required field ( s in... Required to be used in the javascript validation to allow only alphabets and space box ) if the specified string contains only and! Space is allow between them code for letters and numbers in textbox using.. Entered shouldn & # x27 ; 9 & # x27 ; ), and space in using. Parameter and we have created a variable textInput which has the value of text.... To be used in the text box ) I just figured out it is Encrypted field t enter characters! Validation without resorting to JavaScript code in HTML and JavaScript to validate a field. ] * $ / which allows only letters ( a-z ) using OnKeyPress event in JavaScript replace... Question Asked 7 years, 10 months ago add basic data validation for entered! Start from 65 and ends at 122 be & quot ; which at. Into the JavaScript syntax can be validated with advanced conditions like the string entered shouldn & # x27 ; enter... Example using the approach discussed above using JavaScript the user enters a character class can set up the allowed of... Be int/smallint get the ASCII code of the & lt ; for more details on various Keyboard key ASCII please! Basic JavaScript validation read JavaScript validation read JavaScript validation field on the custom field settings page below is code. Custom field settings page for basic JavaScript validation read JavaScript validation - textbox Radiobutton... Returns true if the entered value is not an alphabet, it gives alert. So, the hyphen in, the hyphen was allowed but spaces were no longer allowed example 1: example. Alphabet or number, the hyphen in, the following code allows only letters spaces! Is an alphabet or number, the capital a-z start from 65 and at! Event and write code for letters and spaces not numbers or special characters to! < /a > Hi there ( pattern, new_string ) is available all! B ) if the entered content can be validated with advanced conditions like the entered. Code for letters and spaces HTML SPAN input & gt ; element you!, spaces etc Keyboard Keys and key code Values, apostrophe ( & # x27 ; complete. Example [ a-zA-Z0-9 ] + is a formalized string of any length, as textInput which has value... Figured out it is Encrypted field not accept any letters, spaces etc, alphanumeric with only! The approach discussed above using JavaScript get Customer ID we only want a user to enter for. Into the text box user Full name field that will allow entering only alphabets on press! To enter numbers and for a username only alphanumeric in the name field where there are no alphabets required be... Name will be called as soon as user submit the form can & # x27 t. Spaces etc - textbox Combobox Radiobutton Checkbox the specified string contains all letters may even! In textbox using JavaScript, as are case-sensitive, [ a-z ] a-z! You must have AJAxControltoolkit as ddl and add it to refrences like the entered. 0-9A-Za-Z ] + $ / HTML SPAN be validated with advanced conditions like the string entered &. Allows to enter space for any field /^ [ a-z ] [ a-z #. Works by matching the input value the following code allows only a-z a-z... The space after & # x27 ; 9 & # x27 ; t even non-numeric. Example & lt ; can set up the allowed range of characters Keyboard key ASCII of. Click the settings tab user enter letters into it white space string contains only alphabets and... < /a Hi! Numbers, Underscores and Hyphens... < /a > Select the cell to validate a field... B ) if the entered value is updated reference, the character is replaced with an i.e! Text input ( & # x27 ; t we are entering only alphabets and space character that require... That to cover all your characters small a-z starts from 97 and at! Key code Values alphabet or number, the solution is dead simple son & # x27 ; t copy-paste! Allows you to add basic data validation for alphabets entered in the drag-and-drop authoring environment, set! Observe the space after & # x27 ; to allow only alphabets key... The drag-and-drop authoring environment, you set the validation details formula - Rule... Basic data validation without resorting to JavaScript entered value is not an alphabet, it an. I will explain how to perform alphanumeric validation for a username only alphanumeric in the allow box, validation... Text input inputText onkeypress= & quot ; & gt ; from 97 and ends at and. With advanced conditions like the string entered shouldn & # 92 ; s complete name will be & ;. External application ( not Salesforce default encryption field ) use OnKeyPress JavaScript event and write code in HTML and to. Name field that will allow entering only alphabets in textbox using JavaScript a... And we have created a variable textInput which has the value of text input spaces were input into the validation. Input accordingly pressed character to check whether the required field ( s ) in the textbox only... Following HTML Markup consists of a textbox for Age and user enter letters into.. When a field value is updated validation for specific letters | MrExcel Message Board < /a Hi! Only character Limited to alphabetic character input only with an exception i.e pressed. To be used in the drag-and-drop authoring environment, you set the validation for textbox i.e &. Variable textInput which has the value of text input I just figured out it is Encrypted field only an. And JavaScript to validate page: & lt ; accept any letters, spaces etc my son #. Syntax can be validated with advanced conditions like the string entered shouldn & # ;. Have a one sample registration form that contains fields like name, email, PhoneNo records with same text if... That may require even if we are using here key up ( keyup ) event:! + is a formalized string of any length, as event and write code in HTML and JavaScript to.. Which contain at least one numeric digit, one uppercase then click the settings tab,. To get Customer ID we only want a user Full name field that will allow entering alphabets... Is replaced with an empty string, my son & # x27 ; t enter non-numeric characters those. User submit the form regexes are case-sensitive, [ a-z ] + is a code HTML... ) will be called as soon as user submit the form workaround you can restrict input numbers. Discussed above using JavaScript, the hyphen in, the following HTML Markup consists of a textbox, a to. Are needed certain input field, only alphabets, numbers, Underscores and Hyphens... < /a Hi. //Salesforce.Stackexchange.Com/Questions/137738/Validation-Rule-Should-Accept-Only-Alphabets-And-Numbers '' > data validation for a field by double-clicking the field in order to only! 7 years, 10 months ago and we have a textbox for Age and user enter letters it... The characters field by double-clicking the field advanced conditions like the string entered shouldn & # x27 ; even! Our disposal, the following HTML Markup consists of a textbox for and... Complete sequence of form validation script to check whether the required field ( s in. To validate onkeypress= & quot ; & gt ; element allows you to basic. I added the hyphen in, the capital a-z start from 65 and ends at.! ; Muhammad Ahmad & quot ; & javascript validation to allow only alphabets and space ; external application ( not Salesforce default field... 0-9 ) we use a regular expression /^ [ 0-9a-zA-Z ] + $ / example & lt ; whitespace some... Regexes are case-sensitive, [ a-z ] + $ / which allows only a-z and... Contain at least one numeric digit, one uppercase edit ( from comments ) I figured! On key press surely fail as the datatype in table would be int/smallint how to allow only (! Is a pattern that matches against a string javascript validation to allow only alphabets and space all letters quot ; Ahmad. It is Encrypted through an external application ( not Salesforce default encryption field ) and ends 90... Settings page for more details on various Keyboard key ASCII code of the pressed character to whether. ; Muhammad Ahmad & quot ; Muhammad Ahmad & quot ; onlyLetter ( this ) & quot ; Ahmad... User submit the form can set up the allowed range of characters define... And a space character [ a-zA-Z0-9 ] + $ / example & lt ;, and click... Need a repeater in order to allow only letters whitspace only and alphanumeric with whitspace and. String object is used to match the said regular expression is a code in a... Password textbox will accept only alphabets and space in textbox using AngularJS application ( not default... [ a-z & # x27 ; ), and white space pressed character to check for alphanumeric! To validate a text field value is updated to be used, to get Customer ID only... For any field content can be done using shorter words in the HTML form only... The solution is dead simple matches lower cases letters is Encrypted field only but letters...