For a regular expression to replace all the first character from the beginning-CodePudding

ABCDEFG CK020 # - database - 123546 Test - Test

For a regular expression to replace the first character - after all the content (any character)

CodePudding user response:

String: ABCDEFG - database CK020 # - 123546 Test - Test
Output: ABCDEFG

CodePudding user response:

Any characters including Spaces newline brackets?

CodePudding user response:

refer to the second floor sky waves reply:

any newline characters, including Spaces brackets?

including,

CodePudding user response:

good reference 3 floor p-code response:

Quote: refer to the second floor of the sky wave response:

Any characters including Spaces newline brackets?

,

The replace (/] [\ W \ W +/g, "")

CodePudding user response:

 $pattern='/-. * \ s/'; 
$replacement=' '; 
$subject="ABCDEFG - several according to library CK020 # - 123546 Test - Test \ n"; 
$subject=preg_replace ($pattern, $replacement, $subject); 
Var_dump ($subject); 

//the OUTPUT: 
//string (7) "ABCDEFG"

CodePudding user response:

The

reference 5 floor body established under the pine reply:

 $pattern='/-. * \ s/'; 
$replacement=' '; 
$subject="ABCDEFG - several according to library CK020 # - 123546 Test - Test \ n"; 
$subject=preg_replace ($pattern, $replacement, $subject); 
Var_dump ($subject); 

//the OUTPUT: 
//string (7) "ABCDEFG"

 var string=new string (" ABCDEFG CK020 # - database - 123546 Test - Test \ r \ n "); 
Var regexp=new regexp (" -. * [\ n \ r] * ", "gi"); 
String. The replace (regexp, ""); 
"ABCDEFG"

CodePudding user response:

STR. The split (' - ') [0]
Don't have to be with regular