Questions tagged as 'regex'

Tagged questions
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REGEX password validation

I have a validation problem and I can not apply within a simple structure, 3 validations can not have alphanumeric decreasing, increasing or repeated in a same password.    For example: 00000000, 01234567, 98765432, aaaaaaaa, aa1123456 Ca...
asked by 28.07.2016 / 17:12
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How is the find function implemented?

Unlike the match() that looks for an instance of a language y at the start of the string, find() strong> search for y within that string. I could use the Knuth-Morris-Pratt to search for a first occurrence n0, n1...
asked by 09.08.2014 / 20:49
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Problem with Regular Expression

preg_match('<[ \w"=]+name="xhpc_composerid"[ \w="]+>',$exec,$result1); echo $result1[0]; //input type="hidden" autocomplete="off" name="xhpc_composerid" value="u_0_1k" preg_match('/value="[\w]+"/i',$result1[0],$result2); echo $result2[0];...
asked by 13.03.2015 / 02:46
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Regex - Removal of Special Characters C #

Regex.Replace is a great solution to remove accent. Now I just can not remove a character type, I have a string that receives the text "1st General Place" , in the string it has the character '°' / strong>, is there a list for these types...
asked by 19.07.2014 / 19:07
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Email Verification in Java

I am doing a simple test to verify that the user has typed a valid email. So I'm having a syntax error in the "@" invalid AssignmentOperator. Main class code: public class Email { static String email = "[email protected]"; public stati...
asked by 09.06.2015 / 14:19
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How to write a Regular Expression to find a paragraph?

What is the correct way to write a Regular Expression to find a paragraph? // Expressão Regular var minhaExpressao = /<p>.*</p>/; How can I fix this variable?     
asked by 18.06.2018 / 19:39
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In a sentence, how to know which word with fewer characters?

In one sentence, how do you know which word has fewer characters? What I did was to transform the string into an array, but I was only able to return the smallest when it comes to an array of numbers, using Array.min But is there any method or b...
asked by 24.08.2018 / 22:38
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ReplaceAll () does not remove "|"

I have a string "|" and would like to replace with a simple "", my java code in a simplified way looks like this: String teste = "|A|B|C"; teste.replaceAll("|",""); Output: "|A|B|C" I would like the output to be without the "|", I alre...
asked by 24.10.2017 / 12:57
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How to select this piece of text in Regex

I have the following sample text: 1.1.1.1.1. Test. Test1. 1.1.1.1. Test 1. Test I would like to select the 1. of all but the test. I used the following regex: ([0-9].) The problem is that on the first line it selects 1. i...
asked by 21.06.2017 / 21:31
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Regular Expressions

I have a little trouble putting together regular expressions, I'm trying to work with this code: <?php $url = file_get_contents('http://ciagri.iea.sp.gov.br/precosdiarios/'); preg_match_all($expressao, $url, $conteudo); echo $conteudo; ?&...
asked by 13.01.2015 / 17:48