JCL Help:StrKeepChars@AnsiString@TSysCharSet

 JCL Help: StrKeepChars Function

JCL Functions

► JclAnsiStrings.pas Functions

[+] JclAnsiStrings.pas Functions

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Summary

Keeps all occurences of specified characters within a string and removes the others.

Pascal

 function StrKeepChars(const S: string; const Chars: TCharValidator): string; overload;
function StrKeepChars(const S: string; const Chars: array of Char): string; overload;
function StrKeepChars(const S: AnsiString; const Chars: TSysCharSet): AnsiString;

Parameters

Parameters	Description
const S: string	The source string from which to remove the characters.
const Chars: TCharValidator	The set of characters to keep within S.

Return Value

A string containing only characters which are within Chars.

Description

StrKeepChars keeps all occurences of the characters specified in the Chars set and removes any other characters from the string. For example, if you pass in 'Joint Endeavour of Delphi Innovators' and specify ['e', 'a', 'o', 'u', 'i', ' '] the resulting string will be 'oi eaou o ei oao'.

About

Unit

JclAnsiStrings

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