Perl 函式 - tr///

<div style="margin: 0px; padding: 0px; border: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-weight: 400; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: arial, "Century Gothic", 微軟正黑體; vertical-align: baseline; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; color: rgb(68, 68, 68); letter-spacing: 0.8px; background-color: rgb(255, 255, 255);"> <h2 class="ih-heading" style="margin: 0px 0px 25px; padding: 0px; border-width: 0px 0px 2px; border-top-style: initial; border-right-style: initial; border-bottom-style: solid; border-left-style: initial; border-top-color: initial; border-right-color: initial; border-bottom-color: rgb(0, 0, 0); border-left-color: initial; border-image: initial; font-style: inherit; font-variant: inherit; font-weight: 400; font-stretch: inherit; font-size: 2rem; line-height: 1; font-family: inherit; vertical-align: baseline; color: inherit; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; letter-spacing: 0.7px; background-color: rgb(255, 255, 255); box-sizing: border-box;"> ■ 功 能

tr/// , tr/SEARCHLIST/REPLACEMENTLIST/

可將 SEARCHLIST 中的字串 用 REPLACEMENTLIS 取代之。

<div style="margin: 0px; padding: 0px; border: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-weight: 400; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: arial, "Century Gothic", 微軟正黑體; vertical-align: baseline; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; color: rgb(68, 68, 68); letter-spacing: 0.8px; background-color: rgb(255, 255, 255);"> <h2 class="ih-heading" style="margin: 0px 0px 25px; padding: 0px; border-width: 0px 0px 2px; border-top-style: initial; border-right-style: initial; border-bottom-style: solid; border-left-style: initial; border-top-color: initial; border-right-color: initial; border-bottom-color: rgb(0, 0, 0); border-left-color: initial; border-image: initial; font-style: inherit; font-variant: inherit; font-weight: 400; font-stretch: inherit; font-size: 2rem; line-height: 1; font-family: inherit; vertical-align: baseline; color: inherit; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; letter-spacing: 0.7px; background-color: rgb(255, 255, 255); box-sizing: border-box;"> ■ 語 法

tr/SEARCHLIST/REPLACEMENTLIST/

<div style="margin: 0px; padding: 0px; border: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-weight: 400; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: arial, "Century Gothic", 微軟正黑體; vertical-align: baseline; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; color: rgb(68, 68, 68); letter-spacing: 0.8px; background-color: rgb(255, 255, 255);"> <h2 class="ih-heading" style="margin: 0px 0px 25px; padding: 0px; border-width: 0px 0px 2px; border-top-style: initial; border-right-style: initial; border-bottom-style: solid; border-left-style: initial; border-top-color: initial; border-right-color: initial; border-bottom-color: rgb(0, 0, 0); border-left-color: initial; border-image: initial; font-style: inherit; font-variant: inherit; font-weight: 400; font-stretch: inherit; font-size: 2rem; line-height: 1; font-family: inherit; vertical-align: baseline; color: inherit; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; letter-spacing: 0.7px; background-color: rgb(255, 255, 255); box-sizing: border-box;"> ■ 傳 回 值

傳回替代或刪除的字元數

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<div style="margin: 0px; padding: 0px; border: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-weight: 400; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: arial, "Century Gothic", 微軟正黑體; vertical-align: baseline; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; color: rgb(68, 68, 68); letter-spacing: 0.8px; background-color: rgb(255, 255, 255);"> <h2 class="ih-heading" style="margin: 0px 0px 25px; padding: 0px; border-width: 0px 0px 2px; border-top-style: initial; border-right-style: initial; border-bottom-style: solid; border-left-style: initial; border-top-color: initial; border-right-color: initial; border-bottom-color: rgb(0, 0, 0); border-left-color: initial; border-image: initial; font-style: inherit; font-variant: inherit; font-weight: 400; font-stretch: inherit; font-size: 2rem; line-height: 1; font-family: inherit; vertical-align: baseline; color: inherit; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; letter-spacing: 0.7px; background-color: rgb(255, 255, 255); box-sizing: border-box;"> ■ 範 例

程式碼

<div class="jane_bar" style="margin: auto auto 15px; padding: 15px; border: 0px dotted gray; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-weight: 400; font-stretch: inherit; line-height: 20px; font-family: "Microsoft JhengHei", cwTeXHei, "Open Sans"; vertical-align: baseline; letter-spacing: 1px; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; border-radius: 0px; width: 100%; background-color: rgb(237, 237, 237); box-sizing: border-box; text-align: left;"> $string = 'The dog is blue.';

$string =~ tr/dog/cat/;

print "$string\n";

結果

<div class="jane_bar" style="margin: auto auto 15px; padding: 15px; border: 0px dotted gray; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-weight: 400; font-stretch: inherit; line-height: 20px; font-family: "Microsoft JhengHei", cwTeXHei, "Open Sans"; vertical-align: baseline; color: rgb(40, 40, 40); letter-spacing: 1px; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; border-radius: 0px; width: 100%; background-color: rgb(237, 237, 237); box-sizing: border-box; text-align: left;"> The cat is blue.

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＃關鍵字 Perl 函式 - tr///用法；Perl 函式 - tr///語法；Perl 函式 - tr///範例；

<div style="margin: 0px; padding: 0px; border: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-weight: 400; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: arial, "Century Gothic", 微軟正黑體; vertical-align: baseline; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; color: rgb(68, 68, 68); letter-spacing: 0.8px; background-color: rgb(255, 255, 255);"> <h2 class="ih-heading" style="margin: 0px 0px 25px; padding: 0px; border-width: 0px 0px 2px; border-top-style: initial; border-right-style: initial; border-bottom-style: solid; border-left-style: initial; border-top-color: initial; border-right-color: initial; border-bottom-color: rgb(0, 0, 0); border-left-color: initial; border-image: initial; font-style: inherit; font-variant: inherit; font-weight: 400; font-stretch: inherit; font-size: 2rem; line-height: 1; font-family: inherit; vertical-align: baseline; color: inherit; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; letter-spacing: 0.7px; background-color: rgb(255, 255, 255); box-sizing: border-box;"> ■ Perl 其它函數

▶ Perl 函式|函數|指令集

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Perl 函式 - tr///

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■ Perl 其它函數

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隨手記錄

Perl 函式 - tr///

■ 功 能

■ 語 法

■ 傳 回 值

■ 範 例

■ Perl 其它函數

贊助商連結

文章分類

夜 市 (35)

各國啤酒 (21)

點歌系統 (3)

汽車機車 (4)

各種收集 (12)

古典小說 (15)

民俗傳統 (8)

數位生活 - Digital (14)

溫泉 - Hot spring (9)

健身房 - Gym (12)

游泳池 - Swimming (18)

程式語言 (5)

微醺世界 (6)

美味食記 (17)

景點遊記 (15)

日常生活 (30)

測試工程 (8)

餐廳資訊 (2)

■ 功　　能

■ 語　　法

■ 傳回值

■ 範　　例

夜　　市 (35)