Class StringExtensions

Provides a collection of extension methods for string manipulation and validation.

Inheritance
object
StringExtensions
Inherited Members
Namespace: Innovt.Core.Utilities
Assembly: Innovt.Core.dll
Syntax
public static class StringExtensions

Methods

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ApplyQuotes(string)

Encloses a string in double quotes if it contains spaces.

Declaration
public static string ApplyQuotes(this string value)
Parameters
Type Name Description
string value

The string to enclose in double quotes.
Returns
Type Description
string

The original string if it does not contain spaces; otherwise, the string enclosed in double quotes.
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ClearMask(string)

Removes specified special characters from a string.

Declaration
public static string ClearMask(this string value)
Parameters
Type Name Description
string value

The string to remove special characters from.
Returns
Type Description
string

The string with specified special characters removed.
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CreateSlug(string, int)

Create a safe and SEO friendly slug from a string.

Declaration
public static string CreateSlug(this string str, int maxLength = 100)
Parameters
Type Name Description
string str
int maxLength
Returns
Type Description
string
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FormatCelPhone(string)

Formats a string as a cell phone number with a mask (e.g., "(00)00000-0000").

Declaration
public static string FormatCelPhone(this string celPhone)
Parameters
Type Name Description
string celPhone

The string to format as a cell phone number.
Returns
Type Description
string

The formatted cell phone number string or the original string if it is null or empty.
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FormatCnpj(string)

Formats a string as a CNPJ (Cadastro Nacional da Pessoa Jurídica) number with a mask (e.g., "00.000.000/0000-00").

Declaration
public static string FormatCnpj(this string cnpj)
Parameters
Type Name Description
string cnpj

The string to format as a CNPJ number.
Returns
Type Description
string

The formatted CNPJ string or null if the input is null or empty.
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FormatCoordinate(long)

You can use this method to forma DD stardand Latitude or Longitude

Declaration
public static string FormatCoordinate(this long value)
Parameters
Type Name Description
long value
Returns
Type Description
string
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FormatCpf(string)

Formats a string as a CPF (Cadastro de Pessoas Físicas) number with a mask (e.g., "000.000.000-00").

Declaration
public static string FormatCpf(this string cpf)
Parameters
Type Name Description
string cpf

The string to format as a CPF.
Returns
Type Description
string

The formatted CPF string or the original string if it is null or empty.
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FormatPhoneNumber(string)

Formats a string as a phone number with a mask (e.g., "(00)000-0000").

Declaration
public static string FormatPhoneNumber(this string phoneNumber)
Parameters
Type Name Description
string phoneNumber

The string to format as a phone number.
Returns
Type Description
string

The formatted phone number string or the original string if it is null or empty.
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FormatZipCode(string)

Formats a string as a zip code with a mask (e.g., "00000-000").

Declaration
public static string FormatZipCode(this string cep)
Parameters
Type Name Description
string cep

The string to format as a zip code.
Returns
Type Description
string

The formatted zip code string or the original string if it is null or empty.
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FromBase64(string, Encoding)

Decode your string from Base64

Declaration
public static string FromBase64(this string toDecode, Encoding encoding = null)
Parameters
Type Name Description
string toDecode

The string to decode
Encoding encoding

Optional and will be ASCII if null
Returns
Type Description
string
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GetValueOrDefault(string, string)

Gets the value of a string or a default value if the string is null or empty.

Declaration
public static string GetValueOrDefault(this string str, string defaultValue = null)
Parameters
Type Name Description
string str

The string to check.
string defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
string

The original string if it is not null or empty; otherwise, the default value if provided; otherwise, an empty string.
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HasSpecialCharacter(string)

Check is a string has special characters

Declaration
public static bool HasSpecialCharacter(this string str)
Parameters
Type Name Description
string str
Returns
Type Description
bool
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IsCnpj(string)

Determines whether the string is a valid CNPJ (Cadastro Nacional da Pessoa Jurídica) number.

Declaration
public static bool IsCnpj(this string cnpj)
Parameters
Type Name Description
string cnpj

The string to validate as a CNPJ number.
Returns
Type Description
bool

True if the string is a valid CNPJ number; otherwise, false.
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IsCpf(string)

Determines whether the string is a valid CPF (Cadastro de Pessoas Físicas) number.

Declaration
public static bool IsCpf(this string value)
Parameters
Type Name Description
string value

The string to validate as a CPF number.
Returns
Type Description
bool

True if the string is a valid CPF number; otherwise, false.
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IsEmail(string)

Determines whether the string represents a valid email address.

Declaration
public static bool IsEmail(this string value)
Parameters
Type Name Description
string value

The string to validate as an email address.
Returns
Type Description
bool

True if the string is a valid email address; otherwise, false.
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IsEmpty(Guid)

Determines whether a Guid is empty (all zeros).

Declaration
public static bool IsEmpty(this Guid yourGuid)
Parameters
Type Name Description
Guid yourGuid

The Guid to check.
Returns
Type Description
bool

True if the Guid is empty; otherwise, false.
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IsNotEmpty(Guid)

Determines whether a Guid is not empty (contains non-zero values).

Declaration
public static bool IsNotEmpty(this Guid yourGuid)
Parameters
Type Name Description
Guid yourGuid

The Guid to check.
Returns
Type Description
bool

True if the Guid is not empty; otherwise, false.
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IsNotNullOrEmpty(Guid?)

Determines whether a nullable Guid is not null or empty.

Declaration
public static bool IsNotNullOrEmpty(this Guid? yourGuid)
Parameters
Type Name Description
Guid? yourGuid

The nullable Guid to check.
Returns
Type Description
bool

True if the nullable Guid is not null or empty; otherwise, false.
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IsNotNullOrEmpty(string)

Determines whether a string is not null, empty, or consists only of white-space characters.

Declaration
public static bool IsNotNullOrEmpty(this string str)
Parameters
Type Name Description
string str

The string to check.
Returns
Type Description
bool

True if the string is not null, not empty, and not consisting only of white-space characters; otherwise, false.
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IsNullOrEmpty(Guid?)

Determines whether a nullable Guid is null or empty.

Declaration
public static bool IsNullOrEmpty(this Guid? yourGuid)
Parameters
Type Name Description
Guid? yourGuid

The nullable Guid to check.
Returns
Type Description
bool

True if the nullable Guid is null or empty; otherwise, false.
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IsNullOrEmpty(string)

Determines whether a string is null, empty, or consists only of white-space characters.

Declaration
public static bool IsNullOrEmpty(this string str)
Parameters
Type Name Description
string str

The string to check.
Returns
Type Description
bool

True if the string is null, empty, or consists only of white-space characters; otherwise, false.
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IsNumber(string)

Determines whether the string consists of numeric characters only.

Declaration
public static bool IsNumber(this string value)
Parameters
Type Name Description
string value

The string to validate as a number.
Returns
Type Description
bool

True if the string consists of numeric characters only; otherwise, false.
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MaskEmail(string)

Will mask an email using this format mich***@gmail.com

Declaration
public static string MaskEmail(this string email)
Parameters
Type Name Description
string email

The email that you want to mask
Returns
Type Description
string

mich***@gmail.com
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NormalizeText(string)

Normalizes a string by removing accents, special characters, and trimming whitespace.

Declaration
public static string NormalizeText(this string str)
Parameters
Type Name Description
string str

The string to normalize.
Returns
Type Description
string

The normalized string.
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OnlyNumber(string)

Removes all non-numeric characters from a string.

Declaration
public static string OnlyNumber(this string value)
Parameters
Type Name Description
string value

The string to remove non-numeric characters from.
Returns
Type Description
string

The string containing only numeric characters.
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RemoveAccents(string)

Removes accents from a string.

Declaration
public static string RemoveAccents(this string str)
Parameters
Type Name Description
string str

The string to remove accents from.
Returns
Type Description
string

The string with accents removed.
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RemoveSpecialCharacter(string)

Removes all special characters from a string.

Declaration
public static string RemoveSpecialCharacter(this string str)
Parameters
Type Name Description
string str

The string to remove special characters from.
Returns
Type Description
string

The string with special characters replaced by spaces.
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SmartTrim(string)

Trims leading and trailing white-space characters from a string.

Declaration
public static string SmartTrim(this string str)
Parameters
Type Name Description
string str

The string to trim.
Returns
Type Description
string

The trimmed string or null if the input string is null.
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ToBase64(string, Encoding)

Encode your string to Base64

Declaration
public static string ToBase64(this string toEncode, Encoding encoding = null)
Parameters
Type Name Description
string toEncode

The String to encode
Encoding encoding

Optional and will be ASCII if null
Returns
Type Description
string
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ToBoolean(string, bool)

Converts a string to a boolean, using a specified default value if the string is null or empty.

Declaration
public static bool ToBoolean(this string str, bool defaultValue = false)
Parameters
Type Name Description
string str

The string to convert to a boolean.
bool defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
bool

The boolean value of the string, or the default value if the string is null or empty.
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ToBoolean(string, bool?)

Converts a string to a boolean value, using a specified default value if the string is null or empty.

Declaration
public static bool? ToBoolean(this string str, bool? defaultValue = null)
Parameters
Type Name Description
string str

The string to convert to a boolean.
bool? defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
bool?

The boolean value of the string if it represents a valid boolean; otherwise, the default value.
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ToCamelCase(string)

Converts a string to camel case by applying title case.

Declaration
public static string ToCamelCase(this string str)
Parameters
Type Name Description
string str

The string to convert to camel case.
Returns
Type Description
string

The string in camel case format.
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ToDateTime(string, DateTime)

Converts a string to a DateTime, using a specified default value if the string is null or empty.

Declaration
public static DateTime ToDateTime(this string str, DateTime defaultValue = default)
Parameters
Type Name Description
string str

The string to convert to a DateTime.
DateTime defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
DateTime

The DateTime value of the string, or the default value if the string is null or empty.
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ToDateTime(string, DateTime?)

Converts a string to a nullable DateTime, using a specified default value if the string is null or empty.

Declaration
public static DateTime? ToDateTime(this string str, DateTime? defaultValue = null)
Parameters
Type Name Description
string str

The string to convert to a nullable DateTime.
DateTime? defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
DateTime?

The nullable DateTime value of the string, or the default value if the string is null or empty.
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ToDateTimeOffset(string, DateTimeOffset)

Converts a string to a DateTimeOffset, using a specified default value if the string is null or empty.

Declaration
public static DateTimeOffset ToDateTimeOffset(this string str, DateTimeOffset defaultValue = default)
Parameters
Type Name Description
string str

The string to convert to a DateTimeOffset.
DateTimeOffset defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
DateTimeOffset

The DateTimeOffset value of the string, or the default value if the string is null or empty.
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ToDateTimeOffset(string, DateTimeOffset?)

Converts a string to a nullable DateTimeOffset, using a specified default value if the string is null or empty.

Declaration
public static DateTimeOffset? ToDateTimeOffset(this string str, DateTimeOffset? defaultValue = null)
Parameters
Type Name Description
string str

The string to convert to a nullable DateTimeOffset.
DateTimeOffset? defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
DateTimeOffset?

The nullable DateTimeOffset value of the string, or the default value if the string is null or empty.
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ToDecimal(string, decimal)

Converts a string to a decimal, using a specified default value if the string is null or empty.

Declaration
public static decimal ToDecimal(this string str, decimal defaultValue = 0)
Parameters
Type Name Description
string str

The string to convert to a decimal.
decimal defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
decimal

The decimal value of the string, or the default value if the string is null or empty.
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ToDecimal(string, decimal?)

Converts a string to a nullable decimal, using a specified default value if the string is null or empty.

Declaration
public static decimal? ToDecimal(this string str, decimal? defaultValue = null)
Parameters
Type Name Description
string str

The string to convert to a nullable decimal.
decimal? defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
decimal?

The nullable decimal value of the string, or the default value if the string is null or empty.
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ToDouble(string, double)

Converts a string to a double, using a specified default value if the string is null or empty.

Declaration
public static double ToDouble(this string str, double defaultValue = 0)
Parameters
Type Name Description
string str

The string to convert to a double.
double defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
double

The double value of the string, or the default value if the string is null or empty.
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ToDouble(string, double?)

Converts a string to a nullable double, using a specified default value if the string is null or empty.

Declaration
public static double? ToDouble(this string str, double? defaultValue = null)
Parameters
Type Name Description
string str

The string to convert to a nullable double.
double? defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
double?

The nullable double value of the string, or the default value if the string is null or empty.
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ToFloat(string, float?)

Converts a string to a nullable float, using a specified default value if the string is null or empty.

Declaration
public static float? ToFloat(this string str, float? defaultValue = null)
Parameters
Type Name Description
string str

The string to convert to a nullable float.
float? defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
float?

The nullable float value of the string, or the default value if the string is null or empty.
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ToFloat(string, float)

Converts a string to a float, using a specified default value if the string is null or empty.

Declaration
public static float ToFloat(this string str, float defaultValue = 0)
Parameters
Type Name Description
string str

The string to convert to a float.
float defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
float

The float value of the string, or the default value if the string is null or empty.
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ToGuid(string)

Converts a string to a Guid.

Declaration
public static Guid ToGuid(this string str)
Parameters
Type Name Description
string str

The string to convert to a Guid.
Returns
Type Description
Guid

The Guid value of the string.
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ToGuidOrEmpty(string)

Converts a string to a Guid or returns Guid.Empty if the conversion fails.

Declaration
public static Guid? ToGuidOrEmpty(this string str)
Parameters
Type Name Description
string str

The string to convert to a Guid.
Returns
Type Description
Guid?

The Guid value of the string or Guid.Empty if the conversion fails.
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ToInt(string, int)

Converts a string to an integer, using a specified default value if the string is null or empty.

Declaration
public static int ToInt(this string str, int defaultValue = 0)
Parameters
Type Name Description
string str

The string to convert to an integer.
int defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
int

The integer value of the string, or the default value if the string is null or empty.
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ToInt(string, int?)

Converts a string to a nullable integer, using a specified default value if the string is null or empty.

Declaration
public static int? ToInt(this string str, int? defaultValue = null)
Parameters
Type Name Description
string str

The string to convert to a nullable integer.
int? defaultValue

The default value to return if the string is null or empty (optional).
Returns
Type Description
int?

The nullable integer value of the string, or the default value if the string is null or empty.
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ToList(string, char)

Converts a delimited string into a list of strings using the specified separator character.

Declaration
public static List<string> ToList(this string str, char separator)
Parameters
Type Name Description
string str

The delimited string to convert.
char separator

The character used to separate values in the string.
Returns
Type Description
List<string>

A list of strings containing the individual values from the delimited string.
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ToTitleCase(string)

Converts a string to title case using the current culture's rules.

Declaration
public static string ToTitleCase(this string str)
Parameters
Type Name Description
string str

The string to convert to title case.
Returns
Type Description
string

The string in title case format.
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ToUpperFirstLetter(string)

Converts the first letter of a string to uppercase.

Declaration
public static string ToUpperFirstLetter(this string value)
Parameters
Type Name Description
string value

The string to convert.
Returns
Type Description
string

The string with its first letter in uppercase or the original string if it is null or empty.
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Truncate(string, int)

Truncates the string to a specified maximum length.

Declaration
public static string Truncate(this string value, int maxLength)
Parameters
Type Name Description
string value

The string to truncate.
int maxLength

The maximum length of the truncated string.
Returns
Type Description
string

The truncated string, or the original string if its length is less than or equal to the specified maximum length.
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UrlDecode(string)

Decodes a URL-encoded string using UTF-8 encoding.

Declaration
public static string UrlDecode(this string str)
Parameters
Type Name Description
string str

The URL-encoded string to decode.
Returns
Type Description
string

The decoded string, or the original string if it is null or empty.
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UrlEncode(string)

Encodes a string for safe use in a URL, using UTF-8 encoding.

Declaration
public static string UrlEncode(this string str)
Parameters
Type Name Description
string str

The string to encode.
Returns
Type Description
string

The URL-encoded string, or the original string if it is null or empty.