Regularexpressions (3): tmatchevaluator

Source: Internet
Author: User
Unit unit1; interfaceuses windows, messages, sysutils, variants, classes, graphics, controls, forms, dialogs, stdctrls, regularexpressions; Type tform1 = Class (tform) memo1: tmemo; button1: tbutton; Procedure button1click (Sender: tobject); Private function mymatchevaluator (const match: tmatch): string; // tmatchevaluator = function (const match: tmatch): string of object; public end; var form1: tform1; implementation {$ R *. DFM} const pattern = '[A-Z] + \ D +'; TXT = 'aaa1 bbb2 aa11 bb22 a111 b222 aaa'; Procedure tform1.button1click (Sender: tobject); begin memo1.text: = tregex. replace (txt, pattern, mymatchevaluator); // aaa1 bbb2 aa11 bb22 a111 b222 aaaaend; function tform1.mymatchevaluator (const match: tmatch): string; begin result: = lowercase (match. value); end.

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