regex

ruby recursive regex

So why is this not working? I'm creating a regex that will match a formula (which is then part of a larger standard description). But I'm stuck here, as it doesn't appear to want to match embedded formulas within a formula. stat = /(Stat3|Stat2|Stat1)/ number_sym = /[0-9]*/ formula_sym = /((target's )?#{stat}|#{number_sym}|N#{n...

List all links in a mySQL table, multiple links per row

I have a CMS. I'd like to get a list of all the links in all of the content. If pages.content is my table.field, then I can get pages that have A link: SELECT id, content FROM pages WHERE lower(content) RLIKE '<a href="[^"]+">[^<]+</a>' That's as far as I get before I get stumped, though. How to return only the link and handle mu...

propertyregex removes return characters in multiline

I'm using ants propertyregex method to change a property and it works fine up to a point. I'm lossing return characters. Here's what I'm trying to change: cluster.path=\ ${nbplatform.active.dir}/harness:\ ${nbplatform.active.dir}/platform:\ ${nbplatform.active.dir}/nb This is in a .properties file. So I'm trying to change it like th...

Matching sentences with regex in Java

Hi, I'm using the Scanner class in java to go through a a text file and extract each sentence. I'm using the setDelimiter method on my Scanner to the regex: Pattern.compile("[\\w]*[\\.|?|!][\\s]") This currently seems to work, but it leaves the whitespace at the end of the sentence. Is there an easy way to match the whitespace at the ...

PHP Special Characters Test

What's an efficient way of checking if a username contains a number of special characters that I define. Examples: % # ^ . ! @ & ( ) + / " ? ` ~ < > { } [ ] | = - ; I need to detect them and return a boolean, not just strip them out. Probably a super easy question but I need a better way of doing this than a huge list of conditionals ...

Javascript form validation/sanitizing do i need regex here ?

I have a single form input that is for checking domains. Sometimes people type in www. before the domain or .com after the domain name. The service that i use to check availability automatically checks for all top level domains so when people add the .com at the end it becomes redundant. For example the string submitted is domainname.com...

regex split problem

I have javascript string variable with var sttr="We prefer questions that can be answered --------------------- not just discussed --------------------- Provide details ---------------------------- Write clearly and simply --------------------------answer all the question" please suggest how to split the string into array of sentences...

When should I use \A in a regex?

End of line anchor $ match even there is extra trailing \n in matched string, so we use \Z instead of $ For example ^\w+$ will match the string abcd\n but ^\w+\Z is not How about \A and when to use? ...

Regular expressions help

If I had the following HTML: <li><a href="aaa"> Thisislink1</a></li> <li><a href="abcdef"> Thisisanotherlink</a></li> <li><a href="12345"> Onemorelink</a></li> Where each link will be different in length and value. How can I search for the values inside the link (IE: Thisislink1, Thisisanotherlink and Onemorelink) with a search phras...

Reg Ex parsing error - too many )'s

Using regular expressions in .NET with the pattern ^%[^%]+%\Z and the string "few)few%" I get the error - System.ArgumentException: parsing "few)few%" - Too many )'s. Dim match As System.Text.RegularExpressions.Match = System.Text.RegularExpressions.Regex.Match("^%[^%]+%\Z", "few)few%") What would the issue be? Do I need to escape bra...

How to take name in one preg_match

Hello guys, I am trying to extract just the names result from the hypothetical HTML file below. <ul class="cat"> <li>sport</li> <li>movie</li> </ul> <ul class="person-list"> <li>name 1</li> <li>name 2</li> <li>name 3</li> <li>name 4</li> <li>name 5</li> <li>name 6</li> </ul> Ideally, the result should come in an array format like the...

Grouping string by comma between brackets

Response to : http://stackoverflow.com/questions/1454913/regular-expression-to-find-a-string-included-between-two-characters-while-exclud Hi,I'm looking for a regex pattern that applies to my string including brackets: [1,2,3,4,5] [abc,ef,g] [0,2,4b,y7] could be anything including word,digit,non-word together or separated. I wish to ...

Find and replace braced tags within a MySQL table

I have about 40000 records in that table that contains plain text and within the plain text, contains that kind of tags which its only characteristic is that they are braced between [ ] [caption id="attachment_2948" align="alignnone" width="480" caption="the caption goes here"] How could I remove those? (replace by nothing) I could ...

C# .NET Email Regular Expression Validation

Can anyone correct the expression below to also not allow blank field? <asp:RegularExpressionValidator ID="expEmail" runat="server" ControlToValidate="txtEmail" ErrorMessage="valid email address required" ValidationExpression="^([a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]){1,70}$"></asp:Regula...

Which regex flavors support captures (as opposed to capturing groups)?

As I just learned from this question, .NET regexes can access individual matches within a repeated capturing group. I. e., if I apply a regex like \b(\w+\s*)+ to a string of words, only the last word will be stored in \1 or Match.Groups(1).Value, but using Match.Groups(1).Captures I get access to all the individual matches the regex it...

Need to add underscore to my regex

I'm new to regular expression and just can't seem to figure this out: '/^[A-Za-z0-9](?:.[A-Za-z0-9]+)$/' As it's right now it allows dots anytime after the first char and I like to add _ so that it allows both. Thanks ...

Need to add $_GET args to my regex

url.rewrite-once = ( ".*\.(js|ico|gif|jpg|png|css|html)$" => "$0", "^/([^?]*)(\?.*)?$" => "/$1.php/$2", ) This is what I got but the args don't work. I like following url http://www.example.com/index.php/?r=something To look like this: http://www.example.com/index/?r=something Thanx ...

Using Regular Expressions for Verilog Port Mapping

I have a really long port map where I want to replace a bunch of SignalName[i], with .SignalName(SignalName[i]), I think I can do this easily with regular expressions, but I can't for the life of me figure out how. Any ideas? ...

Escape apostrophes inside double quoted strings (Javascript)

Say i have a string that i need to evaluate in javascript such as : window.some_class.update( 'Runner', 'update_runner', '{"runner":{"id":"1","name":"Nin's Lad" } }'); In order for eval() to evaluate it, i need to escape the apostrophe in runner_name (Nin's Lad). Is this possable with regex? I dont want to escape the single quotes aro...

Removing most inline styles and properties with PHP

This question is related to a similar case, namely http://stackoverflow.com/questions/2488950/removing-inline-styles-using-php The solution there does not remove i.e: <font face="Tahoma" size="4"> But let's say I have a mixed bag of inline styles and properties, like this: <ul style="padding: 5px; margin: 5px;"> <li style="padding...