Created
August 2, 2013 18:09
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Just the validators from the node-validator project. Still want the validation, just don't want the fluff around it.
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var validators = module.exports = { | |
isEmail: function(str) { | |
return str.match(/^(?:[\w\!\#\$\%\&\'\*\+\-\/\=\?\^\`\{\|\}\~]+\.)*[\w\!\#\$\%\&\'\*\+\-\/\=\?\^\`\{\|\}\~]+@(?:(?:(?:[a-zA-Z0-9](?:[a-zA-Z0-9\-](?!\.)){0,61}[a-zA-Z0-9]?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9\-](?!$)){0,61}[a-zA-Z0-9]?)|(?:\[(?:(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\.){3}(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\]))$/); | |
}, | |
isUrl: function(str) { | |
//A modified version of the validator from @diegoperini / https://gist.github.com/729294 | |
return str.length < 2083 && str.match(/^(?!mailto:)(?:(?:https?|ftp):\/\/)?(?:\S+(?::\S*)?@)?(?:(?:(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[0-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]+-?)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]+-?)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})))|localhost)(?::\d{2,5})?(?:\/[^\s]*)?$/i); | |
}, | |
//node-js-core | |
isIP : function(str) { | |
if (validators.isIPv4(str)) { | |
return 4; | |
} else if (validators.isIPv6(str)) { | |
return 6; | |
} else { | |
return 0; | |
} | |
}, | |
//node-js-core | |
isIPv4 : function(str) { | |
if (/^(\d?\d?\d)\.(\d?\d?\d)\.(\d?\d?\d)\.(\d?\d?\d)$/.test(str)) { | |
var parts = str.split('.').sort(); | |
// no need to check for < 0 as regex won't match in that case | |
if (parts[3] > 255) { | |
return false; | |
} | |
return true; | |
} | |
return false; | |
}, | |
//node-js-core | |
isIPv6 : function(str) { | |
if (/^::|^::1|^([a-fA-F0-9]{1,4}::?){1,7}([a-fA-F0-9]{1,4})$/.test(str)) { | |
return true; | |
} | |
return false; | |
}, | |
isIPNet: function(str) { | |
return validators.isIP(str) !== 0; | |
}, | |
isAlpha: function(str) { | |
return str.match(/^[a-zA-Z]+$/); | |
}, | |
isAlphanumeric: function(str) { | |
return str.match(/^[a-zA-Z0-9]+$/); | |
}, | |
isNumeric: function(str) { | |
return str.match(/^-?[0-9]+$/); | |
}, | |
isHexadecimal: function(str) { | |
return str.match(/^[0-9a-fA-F]+$/); | |
}, | |
isHexColor: function(str) { | |
return str.match(/^#?([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$/); | |
}, | |
isLowercase: function(str) { | |
return str === str.toLowerCase(); | |
}, | |
isUppercase: function(str) { | |
return str === str.toUpperCase(); | |
}, | |
isInt: function(str) { | |
return str.match(/^(?:-?(?:0|[1-9][0-9]*))$/); | |
}, | |
isDecimal: function(str) { | |
return str !== '' && str.match(/^(?:-?(?:[0-9]+))?(?:\.[0-9]*)?(?:[eE][\+\-]?(?:[0-9]+))?$/); | |
}, | |
isFloat: function(str) { | |
return validators.isDecimal(str); | |
}, | |
isDivisibleBy: function(str, n) { | |
return (parseFloat(str) % parseInt(n, 10)) === 0; | |
}, | |
notNull: function(str) { | |
return str !== ''; | |
}, | |
isNull: function(str) { | |
return str === ''; | |
}, | |
notEmpty: function(str) { | |
return !str.match(/^[\s\t\r\n]*$/); | |
}, | |
equals: function(a, b) { | |
return a == b; | |
}, | |
contains: function(str, elem) { | |
return str.indexOf(elem) >= 0 && !!elem; | |
}, | |
notContains: function(str, elem) { | |
return !validators.contains(str, elem); | |
}, | |
regex: function(str, pattern, modifiers) { | |
str += ''; | |
if (Object.prototype.toString.call(pattern).slice(8, -1) !== 'RegExp') { | |
pattern = new RegExp(pattern, modifiers); | |
} | |
return str.match(pattern); | |
}, | |
is: function(str, pattern, modifiers) { | |
return validators.regex(str, pattern, modifiers); | |
}, | |
notRegex: function(str, pattern, modifiers) { | |
return !validators.regex(str, pattern, modifiers); | |
}, | |
not: function(str, pattern, modifiers) { | |
return validators.notRegex(str, pattern, modifiers); | |
}, | |
len: function(str, min, max) { | |
return str.length >= min && (max === undefined || str.length <= max); | |
}, | |
//Thanks to github.com/sreuter for the idea. | |
isUUID: function(str, version) { | |
var pattern; | |
if (version == 3 || version == 'v3') { | |
pattern = /^[0-9A-F]{8}-[0-9A-F]{4}-3[0-9A-F]{3}-[0-9A-F]{4}-[0-9A-F]{12}$/i; | |
} else if (version == 4 || version == 'v4') { | |
pattern = /^[0-9A-F]{8}-[0-9A-F]{4}-4[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i; | |
} else if (version == 5 || version == 'v5') { | |
pattern = /^[0-9A-F]{8}-[0-9A-F]{4}-5[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i; | |
} else { | |
pattern = /^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i; | |
} | |
return pattern.test(str); | |
}, | |
isUUIDv3: function(str) { | |
return validators.isUUID(str, 3); | |
}, | |
isUUIDv4: function(str) { | |
return validators.isUUID(str, 4); | |
}, | |
isUUIDv5: function(str) { | |
return validators.isUUID(str, 5); | |
}, | |
isDate: function(str) { | |
var intDate = Date.parse(str); | |
return !isNaN(intDate); | |
}, | |
isAfter: function(str, date) { | |
date = date || new Date(); | |
var origDate = toDate(str); | |
var compDate = toDate(date); | |
return !(origDate && compDate && origDate <= compDate); | |
}, | |
isBefore: function(str, date) { | |
date = date || new Date(); | |
var origDate = toDate(str); | |
var compDate = toDate(date); | |
return !(origDate && compDate && origDate >= compDate); | |
}, | |
isIn: function(str, options) { | |
if (!options || typeof options.indexOf !== 'function') { | |
return false; | |
} | |
if (Array.isArray(options)) { | |
options = options.map(String); | |
} | |
return options.indexOf(str) >= 0; | |
}, | |
notIn: function(str, options) { | |
if (!options || typeof options.indexOf !== 'function') { | |
return false; | |
} | |
if (Array.isArray(options)) { | |
options = options.map(String); | |
} | |
return options.indexOf(str) < 0; | |
}, | |
min: function(str, val) { | |
var number = parseFloat(str); | |
return isNaN(number) || number >= val; | |
}, | |
max: function(str, val) { | |
var number = parseFloat(str); | |
return isNaN(number) || number <= val; | |
}, | |
//Will work against Visa, MasterCard, American Express, Discover, Diners Club, and JCB card numbering formats | |
isCreditCard: function(str) { | |
//remove all dashes, spaces, etc. | |
var sanitized = str.replace(/[^0-9]+/g, ''); | |
if (sanitized.match(/^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11})$/) === null) { | |
return null; | |
} | |
// Doing Luhn check | |
var sum = 0; | |
var digit; | |
var tmpNum; | |
var shouldDouble = false; | |
for (var i = sanitized.length - 1; i >= 0; i--) { | |
digit = sanitized.substring(i, (i + 1)); | |
tmpNum = parseInt(digit, 10); | |
if (shouldDouble) { | |
tmpNum *= 2; | |
if (tmpNum >= 10) { | |
sum += ((tmpNum % 10) + 1); | |
} | |
else { | |
sum += tmpNum; | |
} | |
} | |
else { | |
sum += tmpNum; | |
} | |
if (shouldDouble) { | |
shouldDouble = false; | |
} | |
else { | |
shouldDouble = true; | |
} | |
} | |
if ((sum % 10) === 0) { | |
return sanitized; | |
} else { | |
return null; | |
} | |
} | |
}; |
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