[regexp] Forum Topics

For anyone who is having trouble with regular expressions, I suggest you have a look at [this site](https://regexper.com/#%5Cd%7B1%2C3%7D) by Jeff Avallone. It takes a regular expression in the native (cryptic) format and produces a visual display of the same expression. For example, ^[a-z0-9_-]{3,16}$ becomes  and the pattern for …

Hi, Can you help me in identifiying the meaning of this reqular expression? public static final Pattern pattern = Pattern.compile("^.*(?=.{8,})(?=.*[a-z])(?=.*[A-Z])(?=.*[\\W_]).*$"); **Thanks, Aravind**

I have inputs in the form like below Data: 01 18 01 23 45 67 89 AB CD EF FE DC BA 98 76 54 32 10 01 23 45 67 89 AB CD EF 02 18 67 89 AB CD EF FE DC BA 98 76 54 32 10 …

Hi, I have a 3-column data (below) from excel file. How can I write a perl code to sort all rows according to the first numeric number of a numeric interval and the word "complement" if they appear before the numeric interval as shown in the expeceted output below? Data: …

Herro there :) i'm having serious trouble understaning even the basics of regular expressions in perl. im trying to make a rainmeter skin that lets you search google from desktop and parses the first five links, and a picture if possible.

This is the block of data I have to work with: 5 5 5 6 5 8 9 5 6 8 good, very good, excellent, good 7 7 8 7 6 7 8 8 9 7 very good, Good, excellent, very good 8 7 6 7 8 7 5 6 …

Hi Guys, I am writing a Perl script that needs to initiate various http (or https) requests. Before doing so, I would like first to verify that a given string is indeed a valid URL address. I would like to do so (preferably) **without** using regexp. Reason being, that URLs …

i'm developing an app that i intend to run on a client's intranet. i want to ensure that only email addresses with the client's domain should be registered. how do i achieve this using regular expressions?

Hi all, I'm trying to match all PHP reserved keywords in a string, but this string also contains a bunch of \4 characters [i]between[/i] the letters. So, for example, if I have the string [ICODE]'f\4u\4n\4c\4t\4i\4o\4n@@@some other weird characters@@@'[/ICODE] and the array [ICODE]['abstract','and','array','as','break','case','catch','class','clone','const','continue','declare','default','do','else','elseif','enddeclare','endfor','endforeach','endif','endswitch','endwhile','extends','final','for','foreach','function','global','goto','if','implements','interface','instanceof','namespace','new','or','private','protected','public','static','switch','throw','try','use','var','while','xor'][/ICODE] and I want to make 'function' match '\4f\4u\4n\4c\4t\4i\4o\4n\4', …

I am trying to create a regular expression that can parse both variables ($src and $src1) and get the result of Prop, Nam and Tra. (Ignoring any information after). [ICODE] <?php $src = "{{Data#Prop=11a|Nam=33a|Tra=46b}}"; $src1 = "{{Data#Prop=11a|Nam=33a|Tra=46b|extra=384v}}"; preg_match_all('/\{\{Data#Prop\=([a-z 0-9]*)\|Nam\=([a-z 0-9]*)\|Tra=([a-z 0-9]*)????\}\}/Umis', $src, $st); ?>[/ICODE] For both $src and $src1 the …

Is it the boost library? Regex in particular? I have searched and searched, but this is all I could come up with. If this is the correct library, then how do I get it to work in Dev-C++? I managed to add all the boost .h files to my Dev-C++ …