NumberUtils extension

on

Properties

isDouble → bool
Returns true if the number is a double, false otherwise.
no setter
isEven → bool
Returns true if the number is even, false otherwise.
no setter
isInteger → bool
Returns true if the number is an integer, false otherwise.
no setter
isNegative → bool
Returns true if the number is negative, false otherwise.
no setter
isOdd → bool
Returns true if the number is odd, false otherwise.
no setter
isPositive → bool
Returns true if the number is positive, false otherwise.
no setter
isZero → bool
Returns true if the number is zero, false otherwise.
no setter

Methods

contains(num substring) → bool
Check if the number contains substring. Returns true if the number contains substring, false otherwise.
count(num substring) → int
Get count of a substring in the number. Returns the count of substring in the number.
digitsAfter(num substring) → num
Get the digits after a substring in the number Returns the digits after a substring in the number
digitsAfterFirst(num substring) → num
Get the digits after the first occurrence of substring in the number Returns the digits after the first occurrence of substring in the number
digitsAfterLast(num substring) → num
Get the digits after the last occurrence of substring in the number Returns the digits after the last occurrence of substring in the number
digitsBefore(num substring) → num
Get the digits before a substring in the number Returns the digits before a substring in the number
digitsBeforeFirst(num substring) → num
Get the digits before the first occurrence of substring in the number Returns the digits before the first occurrence of substring in the number
digitsBeforeLast(num substring) → num
Get the digits before the last occurrence of substring in the number Returns the digits before the last occurrence of substring in the number
digitsBetween(num start, num end) → num
Get the digits between start and end in the number Returns the digits between start and end in the number
endsWith(num suffix) → bool
Check if the number ends with suffix. Returns true if the number ends with suffix, false otherwise.
indexesOf(num substring) → List<int>
get the index of all occurrences of substring in the number.
indexOfFirst(num substring) → int
Get the index of the first occurrence of substring in the number.
indexOfLast(num substring) → int
Get the index of the last occurrence of substring in the number. Returns the index of the last occurrence of substring in the number.
isInRange(num min, num max) → bool
Check if the number is in the range min to max. Returns true if the number is in the range, false otherwise.
loremIpsum() → String
Get the lorem ipsum text of this words.
randomList({int min = 0, int max = 100}) → List<num>
Get list of random numbers.
startsWith(num prefix) → bool
Check if the number starts with prefix. Returns true if the number starts with prefix, false otherwise.
sumOfDigits() → num
sum of digits Returns the sum of digits in the number.
swapSign() → num
Swap the sign of the number.
toCurrencyString([String delimiter = ',', int precision = 2]) → String
Convert to currency string with specified delimiter and precision. If delimiter is not specified, the default is ','. If precision is not specified, the default is 2.
toPrecision([int precision = 2]) → String
Convert the number to a String with the specified precision. If precision is not specified, the default is 2.