---
title: "Custom Field Validation"
slug: "custom-field-validation"
updated: 2024-03-04T12:48:15Z
published: 2024-03-04T12:48:15Z
canonical: "documentation.infinite.com/custom-field-validation"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://documentation.infinite.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Custom Field Validation

Abstract

Product: **Workbench**

### Custom Field Validation

This page describes the **Custom Field Validation** process, shows how to read custom fields, and includes examples of custom fields.

### Process

#### Configure the custom validation

Custom field validation can only be configured for Text and Numeric field types.

1. Select Tools → Forms → Candidate Forms.
2. Select **Administer Form fields** for the candidate form.
3. Select the **Edit field attributes** pencil for the form field.
4. Select**Save and Continue >>**.
5. Select **Custom**by using the**Input Validation**pull-down menu.
6. Select **Configure**.
7. Create an alphanumeric or numeric template, or select a pre-defined template.

![image057.jpg](https://cdn.us.document360.io/4bb62c4c-9973-48ec-ab93-23d4b1755503/Images/Documentation/e6a420b7-2fbc-4e38-92b5-a0da25c0263d.jpg)
  1. To create an **Alphanumeric validation format:**
    1. Select **Alphanumeric Patterns**.
    2. Select **Enable Rule**.
    3. Select whether the **User input must match a custom sequence of characters** or **only include characters from a whitelist**. As of **BrassRing Release 19.03.11**, the comma , and hashtag #, are added to the list of allowable characters for field validation.
      1. For **Match a custom sequence of characters**, define the custom string by selecting **the character**from the pull-down menu, **entering the amount** of those characters in the **Count**field and selecting Insert. Repeat this process until the sequence is created. Select **Remove**to remove a character. The **Sequence**section auto-populates based on user selection.
      2. For **Only include characters from a whitelist**, define the custom string by selecting the **Allowable Characters**. Hold **CTRL**and**select the characters** to select multiple characters.
    4. Insert an **Input Validation Description**.
    5. The **Try it out** field is used to test a validation before saving it. If the string matches the validation, the text box turns **green**, if it does not match the validation, it turns **red**.
    6. Select **Save Alphanumeric Patterns**.
  2. To create a **Numeric validation format**:
    1. Select **Numbers Only**.
    2. Select Enable Rule.
    3. Select whether the User input must be: **Any number, a number with X digits**, or **a number between a range**.
      1. For **a number with X digits**, enter **the amount** of digits.
      2. For **A number from**, enter **the range of numbers** by using the pull-down menus.
    4. Select any **Other Requirements** as needed.
    5. Insert an**Input Validation Description**.
    6. The **Try it out**field is used to test a validation before saving it. If the string matches the validation, the text box turns **green**, if it does not match the validation, it turns **red**.
    7. Select **Save Numbers Only**.
  3. To select a **predefined Validation template** or to**create a Custom Template**:
    1. Select **Validation Templates**.
    2. Select **Enable Rule**.
    3. Select a **Standard template type** by using the pull-down menu, or select **Custom**and add your custom validation in the field.
    4. Insert an **Input Validation Description**.
    5. The**Try it out**field is used to test a validation before saving it. If the string matches the validation, the text box turns **green**, if it does not match the validation, it turns **red**.
    6. Select **Save Validation Templates**.
8. Select **Save**.

> [!NOTE]
> Note
> 
> Infinite provides the ability to add custom validation rules. However, support for writing the validations is not provided by Infinite. Regex validation rule writing is clients' responsibility. Documentation and training videos are available on the internet for writing Regex validation rules.

### Read Custom Validation Rules

Rule Icons and descriptions:

- **^** Start of validation rule.
- **$** end of validation rule.
- **\d** digit.
- **[$]**$ symbol is required.
- **[£]** £ symbol is required.
- **[%]** % symbol is required.
- **\.\** decimal is required.
- **\.\d{#}**decimal with a fixed number of digits after.
- **\.\d{#,#}** decimal with a range of digits after.
- **\d{#}** a number with # digits.
- **(#|[#]?/d{1,1})** a number from # to #.
- **[a-z]** lower case letter.
- **[A-Z]** upper case letter.
- **[a-zA-Z]** any letter.
- **(,\d{3})**require commas for thousands.
- **\s** single-space.
- **[']** single quote.
- **[\-]**hyphen.
- **[@]**@ sign.
- **[\.]** period.
- **[\(]** open parenthesis.
- **[\)]** closed parenthesis.
- **[/]** forward slash.
- **[\\]**backslash.
- **(0[1-9]|[12][0-9]|3([01])**day (dd).
- **(0[1-9]|1[012])** month (MM).
- **(\d{4})** year (YYYY).
- **(\d{2})** year (YY).

### Examples

^[$]\d{1,3}(,\d{3}) *(\.\d{2})$

- **This validation:** is any number/digit, requires commas (for thousands), a decimal (with 2 digits after it), and a $ symbol at the front.
- **Example use**: Salary field.
- **Valid Entry Example:** $30,000.00.

^\d{7}$

- **This validation**: is any number/digit, requiring 7 digits.
- **Example use:** 7 digit employee ID.
- **Valid Entry Example:** 5228475.

^([\d]){1} ([A-Z]){1}([\d]){4}$

- **This validation**: looks for the pattern of one digit, one upper case letter, and four digits.
- **Example use:** Infinite Employee ID format.
- **Valid Entry Example:** 1G5521.

^[a-zA-Z]+$

- **This validation**: allows any letter.
- **Example use**: Any field that the client wants letters only, no special characters, such as an availability field.
- **Valid Entry Example**: Monday and Friday.