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PHP select first sentence from each part of split text and display them together

PHP selects the first sentence from each part of the split text and displays them together; use PHP to open the file, store the contents in an array, split the array into sentences, and group the sentences into groups of five sentences each.

P粉032977207 2023-07-17 18:42:29

Keep specific html tags when splitting string

I need to split a string by a specific number of tags (<li>,<lu>...). I came up with the regex pattern=<li>|<ul>|<ol>|<li>|<dl>|<dt>|<dd>|<h1>|<h2>|<h3>|< h4>|<h5>|<h6&g

P粉841870942 2024-03-31 18:12:42

java - How to split a string of the form (operator arg1 arg2 ... argn)?

A function is in the form of (operator arg1 arg2 ... argn), which is the operation symbol, with parameter 1, parameter 2, and up to parameter n. The parameter itself can also be a function in this format. For example, a string like this String="(add (add 1 2) (mul 2 1) 2 )" needs to split ...

世界只因有你 2017-06-23 09:13:59

javascript - Regarding the statistics of the number of times a certain character appears in a string, I saw a piece of code online and there is a part in it that I don't understand what it means.

Today I used the split() method to count the number of times a certain character appears in a string. By the way, I checked Baidu to see if there are other methods. I saw the following function, but the count++; offset += subStr .length; I don’t understand what it means. Seniors passing by please...

迷茫 2017-06-12 09:33:03

explode function splits an array

Use the explode(":",$str) function to split the string-, if there is such data in $st [Transaction time: 2019-04-23 19:34:45] When splitting, you want to get the complete time 2019- 04-23 19:34:45, how to operate?

书声 2019-04-25 14:36:19

How to match strings with appended parts using Python, but not match them if their appended parts are different

How to match strings with appended parts, but not match them if they have different appended parts? For example, if I have a list of names and need to match them to names in my database: |MyDataBase|Foreigntable||DavidJamesMalanNeeko|DavidJamesMalan||DavidJamesMalanNeeko|DavidJamesMalanMathew||David...

P粉676588738 2023-09-20 19:02:23

Cookies are set but not displayed?

document.cookie="userId=828"; document.cookie="userName=hulk"; //Get the cookie string var strCookie=document.cookie; //Cut multiple cookies into multiple name/value pairs var arrCookie=strCookie .spl

girl 2017-08-18 15:00:40

Split a string into multiple lines by newlines.

I have a string with newlines. I want to convert this string into an array and for each newline character, skip one index position in the array. If the string is: Mytext1 Mytext2 Mytext3, the result I want is: Array([0]=>Mytext1 [1]=>Mytext2 [2]=>Mytext3).

P粉014293738 2023-08-06 16:02:16

Is there any easy way to break a string into a character array in php?

For example, I want to turn $str = 'adfdf' into an array like ['a', 'd', 'f', 'd', 'f']

伊谢尔伦 2017-06-21 10:11:28

javascript - split method of array

'1,2,3,4,5'.split(','); The above code will output each value of the array ['1','2','3','4','5']; They are all of type string. Is there any good way to change the values in the array formed after splitting into number type?

学习ing 2017-06-30 09:57:12

Erroneous deletion?

Warning: Cannot assign an empty string to a string offset in /opt/lampp/htdocs/learnphp/String/02/them_sua_xoa_string.php on line 37https://anhlaptrinhvien.net?Excuse me: I delete [$domain[3] = ' ';】

罗文清 2020-05-22 15:00:46

javascript - Get url from string using regex

{Code...} This regular expression is relatively easy to use. The only problem is that if there are spaces in the string, it cannot be divided into two URLs. Solve

phpcn_u1582 2017-05-19 10:13:12

Difference value in template string

How to understand it specifically?

半橙汁 2018-05-31 17:01:28

javascript - A question from codewars, I can't figure it out

题目： Given two arrays of strings a1 and a2 return a sorted array r in lexicographical order of the strings of a1 which are substrings of strings of a2. 例子： Example 1:a1 = ["arp", "live&q

世界只因有你 2017-05-19 10:31:57

How to split text in PHP first according to newlines, and then split the contents of each line according to delimiters

123----456----789 000----111----222 222----333----123 For example, what should I write if I want to split text in this format?

蒲 2019-07-16 15:25:32

Move a varchar column containing CSV format to another table

The database I created 15 years ago was poorly designed. I have a varchar column containing comma separated strings: '5,8,13'. The string does not contain spaces and trailing commas, but the number of values is variable. What I want to do is create a new table and move these values paired with t...

P粉478188786 2023-09-10 19:59:25

How to match empty lines with JavaScript regular expression

I have the following string. {Code...} There is a blank line between world and hi. I want to split the blank line to get an array. How to achieve this? Tried this and it didn't work. str.split(/^\r|\r\n|\n$/);

曾经蜡笔没有小新 2017-05-19 10:45:34

javascript - Assign the obtained text element to var x; why can't it be judged whether the input text is empty?

Assign the obtained text element to var x; why does it not take effect to determine whether the input text is empty? document.getElementById("demo").innerHTML; Is the element obtained a string or something else? It is a string. Why does using x.length to determine the length of a string no...

我想大声告诉你 2017-05-18 11:00:49

Connect to MySQL/MariaDB from command line client using URI connection string?

Given a database connection string of the URI style: mysql://<user>:<pass>@<host>:<port>/<database> Is there a way to use this string directly in the MySQL command line client without No need to break it up into the familiar mysql-u-h-p... format? I found some discussio...

P粉545218185 2023-08-30 14:30:55