the_utils 1.0.0

A dart utils library.

The Utils

A Dart and Flutter utils library.

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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. |