Validation Rule on Lead to check Mobile will take only numerical values don’t accept text type in Salesforce | Write a Validation Rule on Lead for the “Mobile” Field is Mandatory and don’t allow text type input in Salesforce


Hey guys, today in this post we are going to learn about Validation Rule on Lead to check “Mobile” field and mobile will take only numerical values don’t accept text type in Salesforce.

Validation Rules verify that the data a user enters in a record meets the standards you specify before the user can save the record. A Validation Rule contains a formula that evaluates the data in one or more fields and returns a value of “True” or “False”. Validation Rules also include an error message to display to the user when the rule returns a value of “True” due to an invalid value. To Know more details about Validation Rule, Click Here.

Final Output →

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  • Find the below steps ▾

Lead Settings

Step 1:- Require Validation for Converted Leads on Lead Settings

Make sure this setting is enabled, otherwise Validation Rule on Lead conversion will be ignored.

Follow the below steps to enable Lead Settings

Setup >> Quick Find >> Lead Setting

validation rule on lead to check annual Revenue field --


Mobile only numerical values validation

Step 2:- Create a validation rule in Lead using Error Condition Formula.

Follow the below steps to create validation rule on Leads

Setup >> Object Manager >> Lead >> Validation Rule >> Mobile_only_numerical_values_validation

Don’t forgot to make enabled Active of checkbox.

  1.    IF(MobilePhone<>"",NOT(ISNUMBER(MobilePhone)),FALSE)

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Set Error Message in Validation Rule

Step 3:- Set Error Message and Error Location in Validation Rule.

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FAQ (Frequently Asked Questions)

What is the range validation rule?

RangeRule: - A validation rule that demands the target value be within the specified value range (including the range's end points). To specify the range that the validated value must match, set the rule's min and max configuration properties. Note that the specified range can be on a date-time or numeric scale.

How many types of validation rules are there in Salesforce?

Validation rules are one of the five rule types in Salesforce which are processed in this sequence: Validation Rules → Assignment Rules → Auto-response Rules → Workflow Rules → Escalation Rules.

Which validation control is used for mobile number?

Phone number validation uses the DataAnnotations namespace, which has two validation attributes: DataType and Phone. You should use the DataType in your model class if your MobilePhone field is of a simple type. The DataType enumeration provides a list of standard data types supported by the class.

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Hi, This is Vijay Kumar behind the admin and founder of I am a senior software developer and working in MNC company from more than 8 years. I am great fan of technology, configuration, customization & development. Apart of this, I love to write about Blogging in spare time, Working on Mobile & Web application development, Salesforce lightning, Salesforce LWC and Salesforce Integration development in full time. [Read full bio] | | The Sitemap where you can find all published post on