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Regular expressions: Search a word and append a new word at the end of the line


Regular expressions: Search a word and append a new word at the end of the line

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Regular expressions: Search a word and append a new word at the end of the line
Tag : linux , By : Mihai Mocanu
Date : November 25 2020, 07:27 PM


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Replacing a word with another word zero or more times in javascript using regular expressions


Tag : javascript , By : vasil
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Try using an actual regex (with "g" option) in the replace instead of a search string, for example:
wordReplaced = wordReplaced.replace(/\[lesserthen\]/g,"<");

How to search for a word and then replace text after it using regular expressions in python?


Tag : python , By : user169463
Date : March 29 2020, 07:55 AM
seems to work fine Make the re catch 2 groups, the form and everything leading up to the 1st quote after action, and the action content.
Use the 1st group for the replacement, followed by the new action:
re.sub(r'(<form.*?action=")([^"]+)', r'\1newlogin.php',  content)

How to use PHP regular expressions to search a string for word sequences containing repeated words?


Tag : php , By : vferman
Date : March 29 2020, 07:55 AM
will be helpful for those in need Instead of preg_match_all, I'd use a while loop on preg_match with offset:
$subject1 = " [word1 [word1 [word1 [word1 [word3 ";
$pattern1 = preg_quote("[word1 [word1", '/');
$offset=0;
$total=0;
while($count = preg_match("/(?:\s|^|\W)$pattern1(?=\s|$|\W)/", $subject1, $matches, PREG_OFFSET_CAPTURE, $offset)) {
    // summ all matches
    $total  += $count;
    // valorisation of offset with the position of the match + 1
    // the next preg_match will start at this position
    $offset  = $matches[0][1]+1;
}
echo "total=$total\n";
total=3

Find whole line that contains word with php regular expressions


Tag : php , By : Michael
Date : March 29 2020, 07:55 AM
I hope this helps . I want to search for a word "session" in a text. But I would like to retrieve the whole line in which this word appears. So far I have come up with this. , Your regular expression is missing delimiters, hence your error:
$pattern = "/[^\\n]*session[^\\n]*/";
// or, with single quotes, you don't need to escape \n
$pattern = '/[^\n]*session[^\n]*/';
$pattern = '/^.*\bsession\b.*$/m';
<?php

$lines ="This is a test
of skipping the word obsessions but
finding the word session in a
bunch of lines of text";

$pattern = "/^.*\bsession\b.*$/m";

$matches = array();
preg_match($pattern, $lines, $matches);

var_dump($matches);
array(1) {
  [0]=>
  string(29) "finding the word session in a"
}

Python regular expressions, how to search for a word starting with uppercase?


Tag : python , By : harley.holt
Date : March 29 2020, 07:55 AM
I hope this helps you . You can simply use re.findall with just the letter pattern (as the \w group will also match the _ character).
>>> re.findall('[A-Z][A-Za-z]*', text)
['Mitch', 'Pamela']
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