FMX.Text.GetLexemeBegin

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Delphi

function GetLexemeBegin(const AText: string; const AIndex: Integer): Integer;

C++

extern DELPHI_PACKAGE int __fastcall GetLexemeBegin(const System::UnicodeString AText, const int AIndex);

Properties

Type	Visibility	Source	Unit	Parent
function	public	FMX.Text.pas FMX.Text.hpp	FMX.Text	FMX.Text

Description

Returns the begin index of the word that contains a given index.

Text specifies the string in which to search.

Index specifies a position in Text used to identify the word. If the character at Index position is part of a word, then GetLexemeBegin returns the begin index of that word.

If the character at Index position is not within a word in Text, then GetLexemeBegin returns 0.

Example:

 index:=GetWordBegin('This is my string', 7)
 //result
 index=5
 //the word starts at position 5:'is'

See Also

• FMX.Text.GetNextLexemeBegin
• FMX.Text.GetPrevLexemeBegin
• FMX.Text.GetLexemeEnd
• FMX.Text.GetPrevLexemeBegin