使用正则表达式实现模式图片新闻.ASP

‘’文字或特定图片模式显示新闻

function shownew(content,ntype)

shownew = ""

if(ntype = 1) then

shownew = shownew &" <TABLE width=100% >"
shownew = shownew &"<TR>"
shownew = shownew &" <TD width=600 style=‘’word-break:break-all‘’ valign=top>"&ShowPic(content)&"</TD>"
shownew = shownew &"</TR>"
shownew = shownew &"<TR>"
shownew = shownew &" <TD valign=top style=‘’word-break:break-all‘’>"&OnlyWord(content)&"</TD>"
shownew = shownew &"</TR>"
shownew = shownew &"</TABLE>"


elseif (ntype = 2) then


shownew = shownew &" <TABLE width=‘’100%‘’>"

shownew = shownew &"<TR>"
shownew = shownew &" <TD style=‘’word-break:break-all‘’ valign=top>"&OnlyWord(content)&"</TD>"
shownew = shownew &"</TR>"
shownew = shownew &"<TR>"
shownew = shownew &" <TD width=600 valign=top style=‘’word-break:break-all‘’>"&ShowPic(content)&"</TD>"
shownew = shownew &"</TR>"
shownew = shownew &"</TABLE>"

elseif (ntype = 3) then


shownew = shownew &"<TABLE>"

shownew = shownew &"<TR>"
shownew = shownew &"<TD width=100 valign=top>"&ShowPic(content)&"</TD>"

shownew = shownew &"<TD width=80% style=‘’word-break:break-all‘’ valign=top>"&OnlyWord(content)&"</TD>"


shownew = shownew &"</TR>"
shownew = shownew &"</TABLE>"

elseif (ntype = 4) then

shownew = shownew &"<TABLE>"

shownew = shownew &"<TR>"

shownew = shownew &"<TD width=80% valign=top style=‘’word-break:break-all‘’>"&OnlyWord(content)&"</TD>"
shownew = shownew &"<TD width=100 valign=top>"&ShowPic(content)&"</TD>"

shownew = shownew &"</TR>"
shownew = shownew &"</TABLE>"
else
shownew = shownew & "<table><tr><td style=‘’word-break:break-all‘’>"&content&"</td></tr></table>"
end if

end function

‘’显示提取的图片
function ShowPic(strng)

ShowPic = ""
ImageUrl= RegExpExecute(strng)

ImageUrls = Split(ImageUrl,"<BR>")

for i = LBound(ImageUrls) to (UBound(ImageUrls) - 1)

ShowPic = ShowPic & ("<a href=‘’"&ImageUrls(i)&"‘’ target=_blank><image src=‘’"&ImageUrls(i)&"‘’ border=‘’0‘’ alt=‘’按此在新窗口浏览图片‘’ onload=‘’javascript:if(this.width>180)this.width=180‘’></a>")

next

end function


‘’从内容中提取图片
Function RegExpExecute(strng)
Dim regEx, Match, Matches ‘’建立变量。
Set regEx = New RegExp ‘’建立正则表达式。
regEx.Pattern = "(src=)(‘’|"&CHR(34)&"| )?(.[^‘’|\s|"&CHR(34)&"]*)(\.)(jpg|gif|png|bmp|jpeg)(‘’|"&CHR(34)&"|\s|>)?" ‘’设置模式。
‘’ regEx.Pattern = "(src=)(‘’|"&CHR(34)&"| )?(.[^‘’| |"&CHR(34)&"]*)(\.)(jpg|gif|png|bmp|jpeg)(‘’|"&CHR(34)&"| |>)?" ‘’设置模式。
‘’regEx.Pattern = "(s|S)(r|R)(c|C)=(‘’|"+CHR(34)+")(\w|\\|\/|\.)+(‘’|"+CHR(34)+"| *|>)?" ‘’设置模式。
regEx.IgnoreCase = true ‘’设置是否区分字符大小写。
regEx.Global = True ‘’设置全局可用性。
Set Matches = regEx.Execute(strng) ‘’执行搜索。
For Each Match in Matches ‘’遍历匹配集合。
values=values&Match.SubMatches(2)&Match.SubMatches(3)&Match.SubMatches(4)&"<BR>"
Next
RegExpExecute = values
End Function

‘’删除内容中与图片有关的代码
function OnlyWord(strng)
Set re=new RegExp
re.IgnoreCase =True
re.Global=True

re.Pattern = "(<)(.[^<]*)(src=)(‘’|"&CHR(34)&"| )?(.[^‘’|\s|"&CHR(34)&"]*)(\.)(jpg|gif|png|bmp|jpeg)(‘’|"&CHR(34)&"|\s|>)(.[^>]*)(>)" ‘’设置模式。
OnlyWord=re.Replace(strng,"")
Set re= nothing

end function

原文转自：http://www.ltesting.net