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express-validator check types

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Quaint Quelea answered on May 12, 2022 Popularity 8/10 Helpfulness 2/10

answer express-validator check types

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express-validator check types

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contains(), //check if value contains the specified value
equals(), //check if value equals the specified value
isAlpha()
isAlphanumeric()
isAscii()
isBase64()
isBoolean()
isCurrency()
isDecimal()
isEmpty()
isFQDN(), //is a fully qualified domain name?
isFloat()
isHash()
isHexColor()
isIP()
isIn(), //check if the value is in an array of allowed values
isInt()
isJSON()
isLatLong()
isLength()
isLowercase()
isMobilePhone()
isNumeric()
isPostalCode()
isURL()
isUppercase()
isWhitelisted(), //checks the input against a whitelist of allowed characters
//check the documentation for more https://express-validator.github.io/docs/validation-chain-api.html

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Contributed on May 12 2022

Quaint Quelea

0 Answers Avg Quality 2/10

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check('Username', 'Username contains non-alphanumeric characters - not allowed.').isAlphanumeric()

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Source: careerfoundry.com

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Contributed on May 12 2022

Quaint Quelea

0 Answers Avg Quality 2/10

express-validator check types example

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app.post('/users',
  // Validation logic here for request
  //you can either use a chain of methods like .not().isEmpty()
  //which means "opposite of isEmpty" in plain english "is not empty"
  //or use .isLength({min: 5}) which means
  //minimum value of 5 characters are only allowed
  [
    check('Username', 'Username is required').isLength({min: 5}),
    check('Username', 'Username contains non alphanumeric characters - not allowed.').isAlphanumeric(),
    check('Password', 'Password is required').not().isEmpty(),
    check('Email', 'Email does not appear to be valid').isEmail()
  ], (req, res) => {

  ......

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Source: careerfoundry.com

Tags: express-validator express-validato

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Contributed on May 12 2022

Quaint Quelea

0 Answers Avg Quality 2/10

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