That's almost perfect, thanks!!! But how can I avoid src='' or src=""? I want the values only, i.e. the image paths themselves.
On Fri, Dec 18, 2009 at 3:07 PM, Dillard, Derek <ddill...@deluxe.com> wrote: > Hello Vunet, > Change your code to this (note my comments): > > String imageString = "<img src='http://groups.google.com/intl/en/ > images/logos/groups_logo_sm.gif<http://groups.google.com/intl/en/%0Aimages/logos/groups_logo_sm.gif>'><img > src='http://groups.google.com/ > intl/en/images/logos/groups_logo_big.gif<http://groups.google.com/%0Aintl/en/images/logos/groups_logo_big.gif> > '>"; > Pattern src = > Pattern.compile("src=(?:\"|\')?(?:[^>]*[^/].(?:jpg|bmp|gif|png))(?:\"|\')?"); > Matcher matcher = src.matcher(imageString); > int i = 0;//no need for this > while (matcher.find()) {//This will find all matches on its own. > System.out.println("source is "+matcher.group()); > i++;//or this > } > > I think that will give you what you're looking for. HTH. > > -D. > > > -----Original Message----- > From: java-ee-j2ee-programming-with-passion@googlegroups.com [mailto: > java-ee-j2ee-programming-with-pass...@googlegroups.com] On Behalf Of vunet > Sent: Friday, December 18, 2009 9:40 AM > To: Java EE (J2EE) Programming with Passion! > Subject: [java ee programming] Regex to Match All Source Attributes in HTML > IMG Tag > > Hello, > I am trying to get all src attribute values in HTML IMG tags with > Regex. SInce I am not an expert in Regex I found one online which > seems to work well for many users: > > src=(?:\"|\')?(?<imgSrc>[^>]*[^/].(?:jpg|bmp|gif|png))(?:\"|\')? > > However, when I plug it in my Java code it throws an error below. Any > advice? Thank you very much. > > Code: > String imageString = "<img src='http://groups.google.com/intl/en/ > images/logos/groups_logo_sm.gif<http://groups.google.com/intl/en/%0Aimages/logos/groups_logo_sm.gif>'><img > src='http://groups.google.com/ > intl/en/images/logos/groups_logo_big.gif<http://groups.google.com/%0Aintl/en/images/logos/groups_logo_big.gif> > '>" > Pattern src = Pattern.compile("src=(?:\"|\')?(?<imgSrc>[^>]*[^/]. > (?:jpg|bmp|gif|png))(?:\"|\')?"); > Matcher matcher = src.matcher(imageString); > int i = 0; > while (matcher.find(i)) { > System.out.print("source is "+matcher.group()); > i++; > } > > Error: > > Invalid data: java.util.regex.PatternSyntaxException: Look-behind > group does not have an obvious maximum length near index 50 > src=(?:"|')?(?<imgSrc>[^>]*[^/].(?:jpg|bmp|gif|png))(?:"|')? > ^|#] > > [#|2009-12-17T14:56:06.625-0500|WARNING|sun-appserver-pe8.2| > javax.enterprise.system.stream.err|_ThreadID=13;| > java.util.regex.PatternSyntaxException: Look-behind group does not > have an obvious maximum length near index 50 > src=(?:"|')?(?<imgSrc>[^>]*[^/].(?:jpg|bmp|gif|png))(?:"|')? > ^ > at java.util.regex.Pattern.error(Pattern.java:1713) > at java.util.regex.Pattern.group0(Pattern.java:2488) > at java.util.regex.Pattern.sequence(Pattern.java:1806) > at java.util.regex.Pattern.expr(Pattern.java:1752) > at java.util.regex.Pattern.compile(Pattern.java:1460) > at java.util.regex.Pattern.<init>(Pattern.java:1133) > at java.util.regex.Pattern.compile(Pattern.java:823) > at org.apache.jsp.ecatalogue.fhtml.pdf_jsp._jspService > (pdf_jsp.java:423) > > -- > You received this message because you are subscribed to the Google > Groups "Java EE (J2EE) Programming with Passion!" group. > To post to this group, send email to > java-ee-j2ee-programming-with-passion@googlegroups.com > To unsubscribe from this group, send email to > java-ee-j2ee-programming-with-passion+unsubscr...@googlegroups.com<java-ee-j2ee-programming-with-passion%2bunsubscr...@googlegroups.com> > For more options, visit this group at > > http://groups.google.com/group/java-ee-j2ee-programming-with-passion?hl=en?hl=en > > > -- Vadym Ustymenko Systems Consultant & Senior Web Developer 917.589.4237 vu...@vunet.us http://www.vunet.us -- You received this message because you are subscribed to the Google Groups "Java EE (J2EE) Programming with Passion!" group. To post to this group, send email to java-ee-j2ee-programming-with-passion@googlegroups.com To unsubscribe from this group, send email to java-ee-j2ee-programming-with-passion+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/java-ee-j2ee-programming-with-passion?hl=en?hl=en
