我注意到 trim() 不会从字符串的开头和结尾删除换行符,因此我尝试使用以下正则表达式来完成此操作:
return str.replace(/^\s\n+|\s\n+$/g,'');
这不会删除新行,我担心我在这里超出了我的深度。
编辑 字符串是用 ejs 生成的,像这样
go = ejs.render(data, {
locals: {
format() {
//
}
}
});
这就是 go 的样子,但之前有几行空行。当我使用 go.trim() 时,我仍然会得到新的行。
<?xml version="1.0"?>
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
<fo:layout-master-set>
<fo:simple-page-master master-name="Out" page-width="8.5in" page-height="11in" margin-top="1in" margin-bottom="0.5in" margin-left="0.75in" margin-right="0.75in">
<fo:region-body margin-top="1in" margin-bottom="0.25in"/>
<fo:region-before extent="1in"/>
<fo:region-after extent="0.25in"/>
<fo:region-start extent="0in"/>
<fo:region-end extent="0in"/>
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="Out" initial-page-number="1" force-page-count="no-force">
<fo:static-content flow-name="xsl-region-before">
<fo:block font-size="14pt" text-align="center">ONLINE APPLICATION FOR SUMMARY ADVICE</fo:block>
<fo:block font-size="13pt" font-weight="bold" text-align="center">Re:
SDF, SDF
</fo:block>
</fo:static-content>
<fo:flow flow-name="xsl-region-body" font="10pt Helvetica">
.. removed this content
</fo:flow>
</fo:page-sequence>
</fo:root>