String

String related methods

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AnsiString.Len

function AnsiString.Len(): Int32; constref;

Returns the length of the string

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AnsiString.Pos

function AnsiString.Pos(SubStr: String): Int32; constref;

Returns the position of the position of the first occurance of the substring

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AnsiString.PosR

function AnsiString.PosR(SubStr: String): Int32; constref;

Returns the position of the position of the last occurance of the substring

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AnsiString.PosEx

function AnsiString.PosEx(SubStr: String): TIntegerArray; constref;

Returns the position of every occurance of the substring

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AnsiString.Startswith

function AnsiString.Startswith(Prefix: String): Boolean; constref;

Returns True if the string starts with the given string Prefix

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AnsiString.Endswith

function AnsiString.Endswith(Suffix: String): Boolean; constref;

Returns True if the string ends with the given string Suffix

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AnsiString.Capitalize

function AnsiString.Capitalize(): String; constref;

Returns the string with every word captalized

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AnsiString.Upper

function AnsiString.Upper(): String; constref;

Returns the string with every character converted to uppercase

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AnsiString.Lower

function AnsiString.Lower(): String; constref;

Returns the string with every character converted to lowercase

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AnsiString.After

function AnsiString.After(SubStr: String): String; constref;

Copy the string from after the first occurrence of SubStr

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AnsiString.Before

function AnsiString.Before(SubStr: String): String; constref;

Copy the string from before the first occurrence of SubStr

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AnsiString.Count

function AnsiString.Count(Str: String): Int32; constref;

Count the number of occurrences of the given string.

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AnsiString.Replace

function AnsiString.Replace(SubStr, ReplaceStr: String; Flags: TReplaceFlags=[rfReplaceAll]): String; constref;

Replace [all by default] occurrences of the given SubStr with with ReplaceStr

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AnsiString.Explode

function AnsiString.Explode(Delimiter: String): TStringArray; constref;

Blow up the string at each delimiter into smaller strings

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AnsiString.IsAlphaNum

function AnsiString.IsAlphaNum(): Boolean; constref;

Test if a string only contains alpha numerical characters.

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AnsiString.IsDigit

function AnsiString.IsDigit(): Boolean; constref;

Test if a sting is a digit

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AnsiString.IsFloat

function AnsiString.IsFloat(): Boolean; constref;

Test if a string is a floating point number

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AnsiString.IsAlpha

function AnsiString.IsAlpha(): Boolean; constref;

Test if a string only contains letters a-zA-Z

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AnsiString.ExtractNumbers

function AnsiString.ExtractNumbers(): TExtendedArray; constref;

Extract all the numbers found in the string, as there could be floating point numbers as well it reutnrs a TExtendedArray.

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AnsiString.ExtractNumbersEx

function AnsiString.ExtractNumbersEx(): TExtendedArray; constref;

Extract all the numbers found in the string, this time every number ends up in each their index. For example '1234' would return [1,2,3,4]

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AnsiString.FileExt

function AnsiString.FileExt(): String; constref;

Returns the file extension

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AnsiString.FileName

function AnsiString.FileName(): String; constref;

Returns the file name

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string * int32

operator * (left:AnsiString; Right:Int32): String;

Replicates the string the given amount of times. So 'ho!' * 3 would generate ho!ho!ho!

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string in string

operator in (left:String; Right:String): Boolean;

Returns True if the string exists in the other string. So 'hell' in 'hello world' would be True

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