The Utils #

A Dart and Flutter utils library.

String Utils #

import 'package:the_utils/the_utils.dart';

var isIPv4 = StrUtil.isIPv4("192.168.1.1");
print(isIPv4); // outputs: true

You can find examples of each method in the code comments.

Method	Description
`capitalize`	Converts the first letter of a string to uppercase.
`capitalizeWords`	Replaces specific words in a string with their uppercase forms.
`containsChinese`	Checks if the string contains Chinese characters.
`countCharOccurrences`	Counts the occurrences of a specific character in a string.
`countOccurrences`	Counts the occurrences of a specific character or substring in a string.
`camelCase`	Converts a string to camel case naming format.
`contains`	Checks if the string contains a specific substring.
`endsWith`	Checks if the string ends with a specific substring.
`escapeHtml`	Escapes HTML special characters in a string.
`extractNumbers`	Extracts numbers from a string into a list.
`fromBase64`	Decodes a string from Base64 format.
`fromIni`	Parses an INI format string.
`formatNumberWithCommas`	Formats a string as a comma-separated number.
`getHashCode`	Gets the hash code of a string.
`isZAlphabetical`	Checks if the characters in the string are in alphabetical order.
`isHex`	Checks if the string is a valid hexadecimal number.
`isAlpha`	Checks if the string contains only letters.
`isAlphanumeric`	Checks if the string contains only letters and numbers.
`isNumeric`	Checks if the string contains only numbers.
`isUrl`	Checks if the string is a valid URL.
`isEmail`	Checks if the string is a valid email address.
`isAsset`	Checks if the string is a valid Flutter asset path.
`isDigitOnly`	Determines if the string is composed of only digits.
`isWhitespace`	Checks if the string contains only whitespace and newline characters.
`isEmpty`	Checks if the string is empty.
`isNullOrEmpty`	Checks if the string is null or empty.
`isNullEmptyOrWhitespace`	Checks if the string is null, empty, or contains only whitespace.
`isValidUsername`	Checks if the string is a valid username.
`isNotEmpty`	Checks if the string is not empty.
`isBlank`	Checks if the string contains only spaces.
`isLowerCase`	Checks if all the characters in the string are lowercase.
`isUpperCase`	Checks if all the characters in the string are uppercase.
`isPalindrome`	Checks if the string is a palindrome.
`isDateTime`	Checks if the string is a valid datetime format.
`isCreditCard`	Checks if the string is a valid credit card number.
`isFilePath`	Checks if the string is a valid file path.
`isIPv4`	Checks if the string is a valid IPv4 address.
`isIPv6`	Checks if the string is a valid IPv6 address.
`isBase64`	Checks if the string matches the Base64 format.
`isJson`	Checks if the string is valid JSON format.
`isPhoneNumber`	Checks if the string matches the phone number format.
`isSimplePassword`	Checks if the string meets simple password rules.
`isSpace`	Checks if the string contains only space characters.
`isLicensePlate`	Checks if the string is a valid license plate number.
`kebabCase`	Converts a string to kebab case format.
`lowercaseWords`	Replaces specific words in a string with their lowercase forms.
`lowercaseFirstLetterOfEachWord`	Converts the first letter of each word in the string to lowercase.
`matchesPattern`	Checks if the string matches a specified regular expression.
`nTimesRepeat`	Converts the string to an n-times repeated form.
`onlyDigits`	Retrieves the digits from the string.
`padLeft`	Pads the string on the left to a specified length.
`padRight`	Pads the string on the right to a specified length.
`repeat`	Repeats the string a specified number of times.
`randomString`	Generates a random string of a specified length.
`replace`	Replaces substrings within the string.
`replaceWords`	Replaces specific words in a string with a specified mapping.
`replaceWithCallback`	Replaces specific patterns in a string with strings returned by a callback function.
`removeSubstring`	Removes a specific substring from the string.
`removeNonNumeric`	Removes all non-numeric characters from the string.
`removeHtmlTags`	Removes HTML tags from the string.
`replaceChars`	Replaces each character in the string with a specified mapping character.
`replaceWord`	Replaces a specific word in the string with another word.
`removeDigits`	Removes all digits from the string.
`reverse`	Reverses the string.
`reverseSnakeCase`	Converts the string to a reversed snake case format.
`removeChar`	Removes a specific character from the string.
`removeSpaces`	Removes all spaces from the string.
`replaceMultipleSpacesWithSingle`	Replaces multiple spaces in the string with a single space.
`removeChinese`	Removes Chinese characters from the string.
`replaceNewLines`	Replaces new line characters in the string with a specific string.
`reverseCamelCase`	Converts the string to a reversed camel case format.
`randomAlphabetic`	Generates a random alphabetic string of a specified length.
`substringFromIndex`	Extracts a specific length of substring from a specified position in the string.
`snakeCase`	Converts the string to a snake case format.
`sortWords`	Sorts all the words in the string in dictionary order.
`sortAlphabetically`	Sorts all the words in the string alphabetically.
`splitIntoChunks`	Splits the string into substrings of a specified length.
`splitByDelimiter`	Converts the string to a list, split by a specified delimiter.
`splitByNewLine`	Converts the string to a list, split by new line characters.
`titleize`	Converts the first letter of each word in the string to uppercase.
`toAsciiString`	Converts the string to its ASCII code representation.
`toZeroWidthString`	Converts the string to a zero-width character representation.
`toAcronym`	Converts the string to an acronym form.
`toBinaryString`	Converts the string to its binary representation.
`toSafeFileName`	Converts the string to a safe file name by removing illegal characters.
`toTitleCaseIgnoringSmallWords`	Converts the string to title case format, ignoring small words.
`toBase64`	Converts the string to Base64 format.
`toBoolean`	Converts the string to a boolean value.
`toSlug`	Converts the string to a slug (URL-friendly format).
`trimCharFromEnds`	Trims a specified character from the start and end of the string.
`truncate`	Truncates the string to a specified length.
`titleCase`	Converts the first letter of each word in the string to uppercase.
`toInt`	Converts the string to an int type.
`toList`	Converts the string to a list, with each element being a character of the original string.
`toDouble`	Converts the string to a double type.
`toDate`	Converts the string to a datetime object.
`trimChar`	Removes a specified character from the start and end of the string.
`uppercaseWord`	Converts a specific word in the string to uppercase.
`unescapeHtml`	Restores an escaped HTML string.
`utf8Length`	Calculates the byte length of the string (UTF-8 encoding).
`validateRegex`	Validates if the string matches a specified regular expression.
`wordsJoinWithSeparator`	Joins the words in the string with a specified separator.
`xToDash`	Converts the string to lowercase and replaces all spaces with dashes.
`yearFormat`	Formats a year.
`yesOrNo`	Converts the string to a "Yes/No" representation.
`zip`	Zips two strings into a list of pairs.
`zeroWidthEncode`	Converts the string to a zero-width space encoded form.
`zeroWidthDecode`	Decodes the original string from a zero-width space encoded string.
`zipCompress`	Applies a simple compression algorithm to the string (using repeated character counts).
`zipDecompress`	Decompresses a string compressed with a simple compression algorithm.
`zipToMap`	Converts the string to a map of "key-value" pairs using a specified delimiter.

Date Time Utils #

import 'package:the_utils/the_utils.dart';

void main(List<String> args) {
  var dt = DT('2023-12-01 06:50');
  dt.nextDay();
  dt.printDateTime();
}

outputs:

2023-12-02 06:50:00

You can find examples of each method in the code comments.

Method	Description
`DT(String dateTime)`	Constructor that initializes with a specified date and time string.
`DT.synchronization()`	Constructor that initializes with the current system date and time.
`_parseDateTime(String dateTimeStr)`	Parses a date-time string into a `DateTime` object.
`lastDay()`	Sets the date to the same time yesterday.
`nextDay()`	Sets the date to the same time tomorrow.
`previousNDays(int n)`	Sets the date to the same time `n` days ago.
`nextNDays(int n)`	Sets the date to the same time `n` days in the future.
`previousSecond()`	Moves the current time back by one second.
`nextSecond()`	Advances the current time by one second.
`previousMinute()`	Moves the current time back by one minute.
`nextMinute()`	Advances the current time by one minute.
`previousNMinutes(int n)`	Moves the current time back by `n` minutes.
`nextNMinutes(int n)`	Advances the current time by `n` minutes.
`previousNSeconds(int n)`	Moves the current time back by `n` seconds.
`nextNSeconds(int n)`	Advances the current time by `n` seconds.
`addTime(String timeStr)`	Adds time to the current time based on a given time string.
`subtractTime(String timeStr)`	Subtracts time from the current time based on a given time string.
`toString()`	Returns a date-time string in yyyy-MM-dd HH:mm:ss format.
`printDateTime()`	Prints the date-time string.
`toDateString()`	Gets the date string.
`printDate()`	Prints the date string.
`toTimeString()`	Gets the time string.
`printTime()`	Prints the time string.
`get stamp`	Gets the timestamp of the current time.
`printStamp()`	Prints the timestamp of the current time.
`run(List<String> timeStrings, Function callback)`	Runs a callback function based on specified time strings.

the_utils 2.0.1
the_utils: ^2.0.1 copied to clipboard

Metadata

The Utils #

String Utils #

Date Time Utils #

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Documentation

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the_utils 2.0.1 the_utils: ^2.0.1 copied to clipboard

Metadata

The Utils #

String Utils #

Date Time Utils #

← Metadata

Publisher

Metadata

Documentation

License

Dependencies

More

the_utils 2.0.1
the_utils: ^2.0.1 copied to clipboard