validation Examples and Free Source Code

No validator could be found for constraint 'jakarta.validation.constraints.Pattern' - error ...

java spring-boot validation jpa spring-data-jpa

How to add Data validation to entire column of an excel sheet using apache poi in java?...

java excel apache-poi validation

Validate that user submission has at least one whitelisted value and no blacklisted values...

php arrays validation whitelist

What does it mean when a regular expression is delimited by @ symbols?...

php regex validation delimiter password-strength

Prevent matching @mentions if preceded by specific letters...

php regex validation negative-lookbehind mention

Validate that a submitted password contains the required minimum strength...

php regex validation passwords password-strength

How to validate a date?...

javascript validation

Validate the Android version number in string is 3 or higher with regex...

php regex validation version-numbering

Vee-validate with Zod: Custom Error Message Not Displaying on Blur in Vue 3 Composition API...

javascript vue.js validation vee-validate

What's the valid way to include an image with no src?...

html validation

Validate JSON data using python...

python json python-3.x validation

Revoking a Github app's authorization 404 not found error...

validation github access-token github-api

Are nested HTML comments possible?...

html validation comments

Google Sheets - Import Range issue and building a formula that both Import Ranges but based on corre...

validation google-sheets import google-sheets-formula formula

How to ensure full string validation with regex on phone number string?...

php regex validation phone-number

Password strength validating regex error: No ending delimiter or unknown modifier...

php regex validation delimiter password-strength

Vlookup - getting answer from month upon month data...

excel validation excel-formula vlookup

Validate the existence of banned words including near spellings in a string...

php regex validation cpu-word profanity

Simulation of a Pendulum hanging on a spinning Disk...

python validation math sympy

How to validate parameter input in dialogflow...

javascript validation google-calendar-api dialogflow-es dialogflow-es-fulfillment

Can I do Data Validation in code (Google Sheets)?...

validation google-sheets google-apps-script triggers

How to Return a Custom Error Message for Invalid Enum Value in Spring Boot RequestBody?...

java spring-boot validation exception enums

What is the number validation if I want the user input should be either 9 digit or 12 digit or 15 di...

laravel validation

PHPExcel validate data for a range of cells...

php validation syntax phpexcel

Verify the domain of an e-mail address...

python regex email validation email-address

Regex pattern to match at least 1 number and 1 character in a string...

javascript regex validation

Relaxing default validations using jakarta validation groups...

java validation jakarta-validation

How do I send metadata into a seperate Pydantic class?...

python json validation pydantic

Form validation fails...

javascript forms validation bootstrap-5

Validate string to be 10-digits long with first 5 as the same digit and the second 5 as the same dig...

php regex validation preg-match repeat