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What does the question mark followed by a period mean if it is next to a variable?


What does the question mark followed by a period mean if it is next to a variable?

By : user2173376
Date : October 21 2020, 08:10 AM
around this issue That's a mix of Null Propagation and Null Coalesce operator and thus l?.region ?? "" region will be evaluated only iff l is not null and if l.region evaluates to null then return a default value which is empty string
code :


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Splitting a string at question mark, exclamation mark, or period

Splitting a string at question mark, exclamation mark, or period


By : Ajay saini
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further You need to escape the special regex characters (. and ?) and remove the spaces.
code :
<?php
$input = "Why will I have no money? Because I spent it all";
    $input = preg_split( "/(\?|\.|!)/", $input ); 
print_r($input);
Array
(
    [0] => Why will I have no money
    [1] =>  Because I spent it all
)
Replace everything that is not a letter,single quote,comma,period,question mark, or exclamation mark

Replace everything that is not a letter,single quote,comma,period,question mark, or exclamation mark


By : Tan Wei Song Beck
Date : March 29 2020, 07:55 AM
hope this fix your issue Let's see what you are doing with (?!['\,\.\?\!a-zA-Z]+).
What your regex means is Look ahead if multiple characters mentioned in class, if present then match zero width after it.
code :
<?php
  $userResponse = "i'm so happy that you're here with me! :)";
  $userResponse = preg_replace("~[^a-zA-Z',.?!\s]~", "", $userResponse);
  echo $userResponse;
?>
How to rewrite old url with a period, question mark and equals in it?

How to rewrite old url with a period, question mark and equals in it?


By : Jonathan Veal
Date : March 29 2020, 07:55 AM
should help you out My old website has url's like this: , Please try out the following code,
code :
server {
   ...

   location ~ /canada1/[A-Za-z0-9-_]+/.* {
      rewrite ^/canada1/([A-Za-z0-9-_]+)/.* /atemplates/weather/weather_forecast.php?region=$1&location=$arg_db last;
   }

   ...
}
Splitting a string at question mark, exclamation mark, or period in javascript and retain those marks?

Splitting a string at question mark, exclamation mark, or period in javascript and retain those marks?


By : John L. Erdei
Date : March 29 2020, 07:55 AM
I wish this helpful for you To help you out, what you write is not a regex. test.split("/(\?|\.|!)/"); is simply an 11 character string. A regex would be, for example, test.split(/(\?|\.|!)/);. This still would not be the regex you're looking for.
The problem with this regex is that it's looking for a ?, ., or ! character only, and capturing that lone character. What you want to do is find any number of characters, followed by one of those three characters.
code :
const rawText = `abc?aaa.abcd?.aabbccc!`;
const matchedArray = rawText.match(/.*?[?!.]/g);
console.log(matchedArray);
Regular Expression to validate only A-Z, a-z, 0-9, space, period, hyphen - exclamation mark ! question mark ? quotes &qu

Regular Expression to validate only A-Z, a-z, 0-9, space, period, hyphen - exclamation mark ! question mark ? quotes &qu


By : call88
Date : March 29 2020, 07:55 AM
Any of those help I want to use regular expression which validate the text which user enter. , You're almost there. Try this:
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