鍦―elphi涓紝鍙互浣跨敤浠ヤ笅鏂规硶鍘绘帀瀛楃涓蹭腑鐨勭┖鏍硷細

1. 浣跨敤鍐呯疆鍑芥暟锛歍rim銆丩Trim銆丷Trim

• Trim锛氬幓鎺夊瓧绗︿覆涓ょ鐨勭┖鏍?/p>

• LTrim锛氬幓鎺夊瓧绗︿覆宸﹁竟鐨勭┖鏍?/p>

• RTrim锛氬幓鎺夊瓧绗︿覆鍙宠竟鐨勭┖鏍?/p>

绀轰緥浠ｇ爜锛?/p>

var
str: string;
begin
str := '  Hello World  ';
ShowMessage(Trim(str));  // 杈撳嚭锛?#x27;Hello World'
ShowMessage(LTrim(str));  // 杈撳嚭锛?#x27;Hello World  '
ShowMessage(RTrim(str));  // 杈撳嚭锛?#x27;  Hello World'
end;

2. 浣跨敤瀛楃涓叉浛鎹㈠嚱鏁帮細StringReplace

• 浣跨敤瀛楃涓叉浛鎹㈠嚱鏁板皢绌烘牸鏇挎崲涓虹┖瀛楃涓?/li>

绀轰緥浠ｇ爜锛?/p>

var
str: string;
begin
str := '  Hello World  ';
str := StringReplace(str, ' ', '', [rfReplaceAll]);
ShowMessage(str);  // 杈撳嚭锛?#x27;HelloWorld'
end;

3. 浣跨敤姝ｅ垯琛ㄨ揪寮忥細TRegEx

• 浣跨敤姝ｅ垯琛ㄨ揪寮忓尮閰嶅苟鏇挎崲绌烘牸涓虹┖瀛楃涓?/li>

绀轰緥浠ｇ爜锛?/p>

uses
RegularExpressions;
var
str: string;
begin
str := '  Hello World  ';
str := TRegEx.Replace(str, '\s', '');
ShowMessage(str);  // 杈撳嚭锛?#x27;HelloWorld'
end;

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