測試字符串：
<style>v/:* { BEHAVIOR: url(#default#VML) } o/:* { BEHAVIOR: url(#default#VML) } w/:*{ BEHAVIOR: url(#default#VML) } .shape { BEHAVIOR: url(#default#VML) }</style> abcdefg <style>@font-face { font-family: Wingdings;} @font-face{ font-family: Wingdings; } @font-face{ font-family: Calibri;} @font-face { font-family: Tahoma; } @page WordSection1 {size: 8.5in 11.0in; margin: 1.0in 1.0in 1.0in 1.0in; } P.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman","serif" } LI.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman","serif" } DIV.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman","serif" } H1 { FONT-WEIGHT: bold; FONT-SIZE: 24pt; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in;FONT-FAMILY: "Times New Roman","serif";mso-style-priority: 9; mso-style-link: "Heading 1 Char"; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto}A:link { COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99} SPAN.MsoHyperlink{ COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99 } A:visited { COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99} SPAN.MsoHyperlinkFollowed { COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99 } P { FONT-SIZE: 12pt; MARGIN-LEFT: 0in; MARGIN-RIGHT: 0in; FONT-FAMILY: "Times New Roman","serif"; mso-style-priority: 99; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto }P.MsoAcetate { FONT-SIZE: 8pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Tahoma","sans-serif"; mso-style-priority: 99; mso-style-link: "Balloon Text Char"} LI.MsoAcetate{ FONT-SIZE: 8pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Tahoma","sans-serif"; mso-style-priority: 99; mso-style-link: "Balloon Text Char"} DIV.MsoAcetate { FONT-SIZE: 8pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Tahoma","sans-serif";mso-style-priority: 99; mso-style-link: "Balloon Text Char" } SPAN.Heading1Char { FONT-WEIGHT: bold; mso-style-priority: 9; mso-style-link: "Heading 1"; mso-style-name: "Heading 1 Char" } SPAN.EmailStyle19 { COLOR: #1f497d; FONT-FAMILY: "Arial","sans-serif"; mso-style-type: personal-reply } SPAN.BalloonTextChar { FONT-FAMILY: "Tahoma","sans-serif"; mso-style-priority: 99; mso-style-link: "Balloon Text"; mso-style-name: "Balloon Text Char" } .MsoChpDefault { FONT-SIZE: 10pt; mso-style-type: export-only } DIV.WordSection1 { page: WordSection1 } OL { MARGIN-BOTTOM: 0in } UL { MARGIN-BOTTOM: 0in }</style>第一次嘗試：<style[^>/]*>(.*?)</style> 發現有換行的情況匹配不了，因為.是匹配除了換行符（/n）以外的任意一個字符。
第二次嘗試：<style(([/s/S])*?)</style> 成功
匹配<div>只需要把<style>換成<div>即可
1. 只替換匹配到的第一個<style>
var result= testData.replace(<style(([/s/S])*?)<//style>, '');
2. 會替換所有testData中所有的<style>標簽
var result= testData.replace(/<style(([/s/S])*?)<//style>/g, '');
g：代表可以進行全局匹配。
i：代表不區分大小寫匹配。
m：代表可以進行多行匹配。
以上內容是小編給大家介紹的JavaScript正則表達式匹配<div><style>標簽，希望對大家有所幫助！
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