Question

使用以下HTML：

"foo" === "foo"

以下python正则表达式：

    <!-- DW6 --><!-- kelly 10-28-16 the white box welcome email -->
    <!-- e2ma-autonomous-cv -->
    <!--[if gte mso 9]><xml>
     <o:OfficeDocumentSettings>
       <o:AllowPNG/>
       <o:PixelsPerInch>96</o:PixelsPerInch>
     </o:OfficeDocumentSettings>
    </xml><![endif] -->
    <!--[if !mso]><!-- --><link href="https://fonts.googleapis.com/css?family=Lato:400,700" rel="stylesheet" type="text/css"/><!--<![endif]-->
<style>
h1 {
    font-family: Georgia, "Times New Roman", Times, serif;
    font-size: 20px;
    font-weight: normal;
    color: #000
}
h2 {
    font-family: "Lato", "Trebuchet MS", Arial, Helvetica, sans-serif;
    font-size: 14px;
    font-weight: bold;
    color: #000;
    text-transform: uppercase
}
h3 {
    font-family: Georgia, "Times New Roman", Times, serif;
    font-size: 16px;
    font-weight: normal;
    color: #000;
    font-style: italic
}
h4 {
    font-family: "Lato", "Trebuchet MS", Arial, Helvetica, sans-serif;
    font-size: 17px;
    font-weight: normal;
    color: #000
}
.e2ma-content-block p, .e2ma-combo-block p, .e2ma-combo-content p, .e2ma-content-block li, .e2ma-combo-block li, .e2ma-combo-content li {
    font-family: "Lato", "Trebuchet MS", Arial, Helvetica, sans-serif;
    font-size: 14px;
    color: #000
}
#template_container a, .link {
    color: #333;
    text-decoration: underline
}
blockquote {
    padding-top: 10px;
    padding-bottom: 10px;
    border-top: 1px solid #000;
    border-bottom: 1px solid #000;
    font-style: italic
}
blockquote p {
    margin-bottom: 0
}
.editable_image img {
    display: block;
    border: 0
}
.e2ma-unsubscribe {
    padding-bottom: 10px
}
.business_rsvp {
    font-family: Helvetica, Arial, sans-serif;
    padding: 10px;
    color: #666;
    font-size: 10px
}
[style*="Lato"] {
    font-family: "Lato", Arial, sans-serif !important
}

@media screen and (max-width: 480px) {
html {
    -webkit-text-size-adjust: none
}
*[class].e2ma-content-block p, *[class].e2ma-combo-block p, *[class].e2ma-combo-content p, *[class].e2ma-content-block li, *[class].e2ma-combo-block li, *[class].e2ma-combo-content li {
    font-size: 15px !important
}
*[class].e2ma-holder table, *[class].e2ma-holder table td {
    display: table !important;
    float: none !important;
    width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important
}
*[class].e2ma-single-column-layout table {
    float: none !important;
    margin: 0 auto
}
*[class].e2ma-unsubscribe span {
    font-size: 12px !important
}
*[class].business_rsvp {
    font-size: 12px !important
}
*[class].social-sharing {
    text-align: center !important;
    padding-bottom: 10px
}
*[class].e2ma-layout-column-content img, *[class].e2ma-single-column-layout img, *[class].e2ma-layout-column-sidebar img, *[class].e2ma-layout-column-sidebar-2 img, *[class].e2ma-layout-column-sidebar-3 img {
    max-width: 100%;
    height: auto;
    margin: 0 auto
}
*[class].footer-social img {
    width: 44px !important;
    height: 43px !important;
    margin: 0 auto
}
*[class].share-block {
    text-align: center !important;
    margin: 0 auto !important
}
*[class].footer-text {
    text-align: center !important
}
*[class].mobile-width {
    width: 100% !important;
    padding-left: 10px;
    padding-right: 10px
}
*[class].mobile-width-nopad {
    width: 100% !important
}
*[class].stack, *[class].e2ma-layout-column-content, *[class].e2ma-layout-column-sidebar, *[class].e2ma-layout-column-sidebar-2, *[class].e2ma-layout-column-sidebar-3 {
    display: block !important;
    width: 100% !important
}
*[class].hide {
    display: none !important
}
*[class].center, *[class].center img {
    text-align: center !important;
    margin: 0 auto
}
*[class].scale img, *[class].editable_image img {
    max-width: 100%;
    height: auto;
    margin: 0 auto
}
*[class].addpad {
    padding: 10px !important
}
*[class].addpad-top {
    padding-top: 10px !important
}
*[class].sanpad {
    padding: 0 !important
}
*[class].sanborder {
    border: none !important
}
*[class].nav212 {
    width: 212 px !important;
    height: auto !important;
    margin: 0 auto !important
}
}
</style>

conditional_search = r"()" it = re.finditer(conditional_search, html, flags=re.DOTALL) print([tuple(i.groups()) for i in it])的输出匹配从print到标记末尾的所有内容。我只是想找到每个</style> HTML评论块（包括双<!--if）。

Answer 1

给它一个机会。基本上我只是撕掉所有的回车（也许你想保留它们？）并调整正则表达式。如果正则表达式不清楚，请留下评论，我认为它非常直接。如果我理解你在寻找什么，这应该可以解决问题。这是我的整个测试脚本：

import re

textblock = '''
 <!-- DW6 --><!-- kelly 10-28-16 the white box welcome email -->
    <!-- e2ma-autonomous-cv -->
    <!--[if gte mso 9]><xml>
     <o:OfficeDocumentSettings>
       <o:AllowPNG/>
       <o:PixelsPerInch>96</o:PixelsPerInch>
     </o:OfficeDocumentSettings>
    </xml><![endif] -->
    <!--[if !mso]><!-- --><link href="https://fonts.googleapis.com/css?family=Lato:400,700" rel="stylesheet" type="text/css"/><!--<![endif]-->
<style>
h1 {
    font-family: Georgia, "Times New Roman", Times, serif;
    font-size: 20px;
    font-weight: normal;
    color: #000
}
h2 {
    font-family: "Lato", "Trebuchet MS", Arial, Helvetica, sans-serif;
    font-size: 14px;
    font-weight: bold;
    color: #000;
    text-transform: uppercase
}
h3 {
    font-family: Georgia, "Times New Roman", Times, serif;
    font-size: 16px;
    font-weight: normal;
    color: #000;
    font-style: italic
}
h4 {
    font-family: "Lato", "Trebuchet MS", Arial, Helvetica, sans-serif;
    font-size: 17px;
    font-weight: normal;
    color: #000
}
.e2ma-content-block p, .e2ma-combo-block p, .e2ma-combo-content p, .e2ma-content-block li, .e2ma-combo-block li, .e2ma-combo-content li {
    font-family: "Lato", "Trebuchet MS", Arial, Helvetica, sans-serif;
    font-size: 14px;
    color: #000
}
#template_container a, .link {
    color: #333;
    text-decoration: underline
}
blockquote {
    padding-top: 10px;
    padding-bottom: 10px;
    border-top: 1px solid #000;
    border-bottom: 1px solid #000;
    font-style: italic
}
blockquote p {
    margin-bottom: 0
}
.editable_image img {
    display: block;
    border: 0
}
.e2ma-unsubscribe {
    padding-bottom: 10px
}
.business_rsvp {
    font-family: Helvetica, Arial, sans-serif;
    padding: 10px;
    color: #666;
    font-size: 10px
}
[style*="Lato"] {
    font-family: "Lato", Arial, sans-serif !important
}

@media screen and (max-width: 480px) {
html {
    -webkit-text-size-adjust: none
}
*[class].e2ma-content-block p, *[class].e2ma-combo-block p, *[class].e2ma-combo-content p, *[class].e2ma-content-block li, *[class].e2ma-combo-block li, *[class].e2ma-combo-content li {
    font-size: 15px !important
}
*[class].e2ma-holder table, *[class].e2ma-holder table td {
    display: table !important;
    float: none !important;
    width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important
}
*[class].e2ma-single-column-layout table {
    float: none !important;
    margin: 0 auto
}
*[class].e2ma-unsubscribe span {
    font-size: 12px !important
}
*[class].business_rsvp {
    font-size: 12px !important
}
*[class].social-sharing {
    text-align: center !important;
    padding-bottom: 10px
}
*[class].e2ma-layout-column-content img, *[class].e2ma-single-column-layout img, *[class].e2ma-layout-column-sidebar img, *[class].e2ma-layout-column-sidebar-2 img, *[class].e2ma-layout-column-sidebar-3 img {
    max-width: 100%;
    height: auto;
    margin: 0 auto
}
*[class].footer-social img {
    width: 44px !important;
    height: 43px !important;
    margin: 0 auto
}
*[class].share-block {
    text-align: center !important;
    margin: 0 auto !important
}
*[class].footer-text {
    text-align: center !important
}
*[class].mobile-width {
    width: 100% !important;
    padding-left: 10px;
    padding-right: 10px
}
*[class].mobile-width-nopad {
    width: 100% !important
}
*[class].stack, *[class].e2ma-layout-column-content, *[class].e2ma-layout-column-sidebar, *[class].e2ma-layout-column-sidebar-2, *[class].e2ma-layout-column-sidebar-3 {
    display: block !important;
    width: 100% !important
}
*[class].hide {
    display: none !important
}
*[class].center, *[class].center img {
    text-align: center !important;
    margin: 0 auto
}
*[class].scale img, *[class].editable_image img {
    max-width: 100%;
    height: auto;
    margin: 0 auto
}
*[class].addpad {
    padding: 10px !important
}
*[class].addpad-top {
    padding-top: 10px !important
}
*[class].sanpad {
    padding: 0 !important
}
*[class].sanborder {
    border: none !important
}
*[class].nav212 {
    width: 212 px !important;
    height: auto !important;
    margin: 0 auto !important
}
}
</style>
'''

text = re.sub("\n", " ", textblock)
conditional_search = "<!--\[if[^\]]+\]>(.*?)<!\[endif\]"
it = re.findall(conditional_search, text)
for i in it:
    print (i)
    print ("how now brown cow")

正则表达式找到每场比赛

1 个答案: