preg-match-all

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Regular expression to check for two characters

I want to check if the value is \'H\' or \'T\' or else it can be \'H\' orelse it can be \'T\' or both \'H\' and \'T\'[详细]

2023-04-12 22:58 分类：问答
Why does the regex pattern not match the code?

Do you have any idea why this regex does not match the code below? $regex = \"!<title>(.*?)</title>!i\";[详细]

2023-04-12 20:30 分类：问答
php with preg_match_all() generates no results

I\'m trying to use this php script in order to locate a stock quote from yahoo finance. The problem I\'m having is that when the script is run it generates no results. This leads me to believe that my[详细]

2023-04-11 11:07 分类：问答
Regular expression to detect line that starts with an asterisk

The code below fails to detect a single instance of the occurance. =O Whats wrong? =\\ How do I detect the following lines (which begin with a newline) that begin with an asterisk ? I\'m at a loss. T[详细]

2023-04-08 22:27 分类：问答
how to fetch all the links starting with http://plus

I have a pregmatch with the following search : $regexp = \"&l开发者_运维技巧t;a\\s[^>]*href=(\\\"??)([^\\\" >]*?)\\\\1[^>]*>(.*)<\\/a>\";[详细]

2023-04-06 20:22 分类：问答
youtube regex swallows remaining text

I\'m doing preg_match_all and str_replace on a block of text to grab YouTube-urls and replace them with the correct embed code.[详细]

2023-04-06 12:48 分类：问答
Getting the first image in string with php

I\'m trying to get the first image from each of my posts. This code below works great if I only have one image. But if I have more then one it gives me an image but not always the first.[详细]

2023-04-06 05:12 分类：问答
What's wrong with this preg_match_all

I\'m using file_get_contents to read a .html file that has a ta开发者_运维技巧ble. <table id=\"someTable\" style=\"width:100%;margin-bottom:0;\">[详细]

2023-04-05 14:57 分类：问答
PHP, Error preg_match_all error unknown modifier?

I\'m getting the following error [13-Sep-2011 07:26:28] PHP Warning:preg_match_all() [<a href=\'function.preg-match-all\'>function.preg-match-all</a>]: Unknown[详细]

2023-04-05 10:34 分类：问答
regex match between 2 strings

For example I have the text a1aabca2aa3adefa4a I want to extract 2 and 3 with a regex between abc and def, so 1 and 4 should be not included in the result.[详细]

2023-04-04 07:50 分类：问答