Add a prefix to string

Add a suffix to string

Returns everything after first occurrence of a given splitting string. Or fails if splitter is not found. Uses StringComparison.Ordinal

Returns everything after first occurrence of a given splitting character. Or fails if splitter is not found

Returns everything after first occurrence of a given splitting character. Or full input string if splitter is not found

Returns everything after first occurrence of a given splitting string. Or full input string if splitter is not found. Uses StringComparison.Ordinal

Returns everything before first occurrence of a given splitting string. Or fails if splitter is not found. Uses StringComparison.Ordinal

Returns everything before first occurrence of a given splitting character. Or fails if splitter is not found.

Returns everything before first occurrence of a given splitting character. Or full input string if splitter is not found.

Returns everything before first occurrence of a given splitting string. Or full input string if splitter is not found. Uses StringComparison.Ordinal

Finds text between two strings e.g.: between "X" "T" "cXabTk" = "ab" Fails if not both splitters are found. Delimiters are excluded in the returned strings

Finds text between two Characters e.g.: between 'X' 'T' "cXabTk" = "ab" Fails if not both splitters are found. Delimiters are excluded in the returned strings

Finds text between two Characters e.g.: between 'X' 'T' "cXabTk" = "ab" Returns full input string if not both splitters are found. Delimiters are excluded in the returned strings

Finds text between two strings e.g.: between "X" "T" "cXabTk" = "ab" Returns full input string if not both splitters are found. Delimiters are excluded in the returned strings

Compares two specified String objects and returns an integer that indicates their relative position in the sort order, u Uses StringComparison.Ordinal.

Compares two specified String objects and returns an integer that indicates their relative position in the sort order, Uses StringComparison.OrdinalIgnoreCase.

Concatenates string with given separator Same as FSharp.Core.String.concat

Concatenates string with Environment.NewLine

Returns true if a specified substring occurs within this string.

Returns true if specified character occurs within this string.

Returns true if a specified substring occurs within this string ignoring casing. uses: stringToSearchIn.IndexOf(stringToFind, StringComparison.OrdinalIgnoreCase) <> -1

Counts how often a character appears in a string

Counts how often a substring appears in a string Uses StringComparison.Ordinal

Removes all occurrences of a substring from a string if it exists. same as: (Will return the same string instance, if text to remove is not found) Code:fromString.Replace(textToRemove, "")

Removes character from a string if it exists. same as: (Will return the same string instance, if char to remove is not found) Code: fromString.Replace(charToRemove.ToString(), "")

Determines whether the end of this string instance matches the specified string, using StringComparison.Ordinal.

Determines whether the end of this string instance matches the specified string, using StringComparison.OrdinalIgnoreCase.

Determines whether two specified String objects have the same value, using StringComparison.Ordinal.(=fastest comparison)

Determines whether two specified String objects have the same value, using StringComparison.OrdinalIgnoreCase.

Joins string into one line. Replaces line break with a space character. Skips leading whitespace on each line. Joins multiple whitespaces into one. If string is null returns *null string* Does not include surrounding quotes.

Reduces a string length for display to a maximum Length. Shows (..) as placeholder for skipped characters if string is longer than maxCharCount. If maxChars is bigger than 35 the placeholder will include the count of skipped characters: e.g. ( ... and 123 more chars.). maxCharCount will be set to be minimum 6. Returned strings are enclosed in quotation marks: '"'. If input is null it returns *null string*

Adds a note about trimmed line count if there are more ( ... and %d more lines.). Returned strings are enclosed in quotation marks: '"'. If string is null returns *null string*.

Gets an element from an string. (Use string.getNeg(i) function if you want to use negative indices too.)

Add a double quote (") at start and end.

Add a single quote (') at start and end.

Reports the zero-based index of the first occurrence in this instance of any character in a specified array of Unicode characters.

Reports the zero-based index of the first occurrence in this instance of any character in a specified array of Unicode characters. The search starts at a specified character position.

Reports the zero-based index of the first occurrence in this instance of any character in a specified array of Unicode characters. The search starts at a specified character position and examines a specified number of character positions.

Reports the zero-based index of the first occurrence of the specified Unicode character in this string.

Reports the zero-based index of the first occurrence of the specified Unicode character in this string. The search starts at a specified character position.

Reports the zero-based index of the first occurrence of the specified character in this instance. The search starts at a specified character position and examines a specified number of character positions. When used in Fable this use the Knuth-Morris-Pratt algorithm via Str.indicesOf

Reports the zero-based index of the first occurrence of the specified string in this instance, using StringComparison.Ordinal.

Reports the zero-based index of the first occurrence of the specified string in this instance. The search starts at a specified character position, using StringComparison.Ordinal.

Reports the zero-based index of the first occurrence of the specified string in this instance. The search starts at a specified character position and examines a specified number of character positions, using StringComparison.Ordinal. When used in Fable this use the Knuth-Morris-Pratt algorithm via Str.indicesOf

The Knuth-Morris-Pratt Algorithm for finding a pattern within a piece of text. With complexity O(n + m)

Returns a new string in which a specified string is inserted at a specified index position in this instance.

Checks if the string is null or empty. Uses String.IsNullOrEmpty

Checks if the string is NOT null nor empty. Uses String.IsNullOrEmpty |> not

Checks if the string is NOT null, empty nor just white space. Uses String.IsNullOrWhiteSpace |> not

Checks if the string is null, empty or just white space. Uses String.IsNullOrWhiteSpace

Returns the zero-based index position of the last occurrence of a specified Unicode character within this instance. Or -1 if not found.

Returns the zero-based index position of the last occurrence of a specified Unicode character within this instance. The search starts at a specified character position and proceeds backward toward the beginning of the string. Or -1 if not found.

Returns the zero-based index position of the last occurrence of a specified string within this instance, using StringComparison.Ordinal. Or -1 if not found.

Returns the zero-based index position of the last occurrence of a specified string within this instance. The search starts at a specified character position and proceeds backward toward the beginning of the string, using StringComparison.Ordinal. Or -1 if not found.

Makes First letter of string to Lowercase if possible.

Removes accents & diacritics from characters first does txt.Normalize(System.Text.NormalizationForm.FormD) and then removes all non-spacing marks eventually returns string.Normalize(NormalizationForm.FormC) (in Fable this just call txt.normalize("NFKD") instead)

Returns true if a specified substring does NOT occurs within this string.

Returns true if specified character does NOT occurs within this string.

Returns a new string that right-aligns the characters in this instance by padding them with spaces on the left, for a specified total length.

Returns a new string that right-aligns the characters in this instance by padding them on the left with a specified Unicode character, for a specified total length.

Returns a new string that left-aligns the characters in this string by padding them with spaces on the right, for a specified total length.

Returns a new string that left-aligns the characters in this string by padding them on the right with a specified Unicode character, for a specified total length.

Returns a new string in which all the characters in the current instance, beginning at a specified position and continuing through the last position, have been deleted.

Returns a new string in which a specified number of characters in the current instance beginning at a specified position have been deleted.

Returns a new string in which all occurrences of a specified string in the current instance are replaced with another specified string. (Will return the same instance if text to replace is not found)

Returns a new string in which all occurrences of a specified Unicode character in this instance are replaced with another specified Unicode character.

Returns a new string in which only the first occurrences of a specified string in the current instance is replaced with another specified string. (Will return the same instance if text to replace is not found)

Returns a new string in which only the last occurrences of a specified string in the current instance is replaced with another specified string. (Will return the same instance if text to replace is not found)

Remove characters from the starts. fromString.Substring(skipLength)

Allows for negative indices too. -1 is last character The resulting string includes the end index.

Split string, Remove Empty Entries Like: string.Split([| splitter |], StringSplitOptions.RemoveEmptyEntries)

Split string by a Char, Remove Empty Entries Like: string.Split([| splitter |], StringSplitOptions.RemoveEmptyEntries)

Split string by any of multiple Chars, Keep Empty Entries Like : string.Split([| splitter |], StringSplitOptions.None)

Split string by any of multiple Chars, Remove Empty Entries Like: string.Split([| splitter |], StringSplitOptions.RemoveEmptyEntries)

Split string by a Char, Keep Empty Entries Like : string.Split([| splitter |], StringSplitOptions.None)

Split string, Keep Empty Entries Like : string.Split([| splitter |], StringSplitOptions.None)

Split string by "\r\n", "\r" and "\n"

Split string into two elements, Fails if splitter is not found. The splitter is not included in the two return strings.

Finds text before, between and after two strings. e.g.: between "X" "T" "cXabTk" = "c", "ab", "k" Fails if not both splitters are found. Delimiters are excluded in the three returned strings

Determines whether the beginning of this string instance matches the specified string, using StringComparison.Ordinal..

Determines whether the beginning of this string instance matches the specified string when compared using StringComparison.OrdinalIgnoreCase.

Retrieves a substring from this instance. The substring starts at a specified character position and continues to the end of the string.

Retrieves a substring from this instance. The substring starts at a specified character position and has a specified length.

Takes a given amount of chars from string. Fails if input is shorter than takeLength. Use String.truncate instead if you want to avoid failing in that case. Code: fromString.Substring(0,takeLength)

Copies the characters in this instance to a Unicode character array.

Copies the characters in a specified substring in this instance to a Unicode character array.

Returns a copy of this String object converted to lowercase using the casing rules of the invariant culture.

Returns a copy of this String object converted to uppercase using the casing rules of the invariant culture.

Removes all leading and trailing white-space characters from the current String object.

Removes all leading and trailing occurrences of a set of characters specified in an array from the current String object.

Removes all leading and trailing occurrences of a set of characters specified in an array from the current String object.

Removes all trailing whitespace.

Removes all trailing occurrences of a characters specified in an array from the current String object.

Removes all trailing occurrences of a set of characters specified in an array from the current String object.

Removes all leading whitespace.

Removes all leading occurrences of a characters specified in an array from the current String object.

Removes all leading occurrences of a set of characters specified in an array from the current String object.

Takes at most a given amount of chars from string. If input is shorter than truncateLength returns input string unchanged. Alternatively use the functions that include formatting: Str.Format.stringTruncated and Str.Format.stringInOneLine Str.Format.stringTruncatedToMaxLines

Returns everything after first occurrence of a given splitting string. Or None if splitter is not found Uses StringComparison.Ordinal

Returns everything after first occurrence of a given splitting character. Or None if splitter is not found

Returns everything before first occurrence of a given splitting string. Or None if splitter is not found. Uses StringComparison.Ordinal

Returns everything before first occurrence of a given splitting character. Or None if splitter is not found.

Finds text between two strings e.g.: between "X" "T" "cXabTk" = "ab" Returns None if not both splitters are found. Delimiters are excluded in the returned strings

Finds text between two Characters e.g.: between 'X' 'T' "cXabTk" = "ab" Returns None if not both splitters are found. Delimiters are excluded in the returned strings

Split string into two elements, If splitter not found None is returned Splitter is not included in the two return strings.

Finds text before, between and after two strings. e.g.: between "X" "T" "cXabTk" = "c", "ab", "k" If not both splitters are found returns None Delimiters are excluded in the three returned strings

Ensures all lines end on System.Environment.NewLine Code: StringBuilder(s).Replace("\r\n", "\n").Replace("\r", "\n").Replace("\n", Environment.NewLine).ToString()

Makes First letter of string to Uppercase if possible.