Description:
Remove the blank characters from both ends of a string.
Syntax:
trim(s)
Note:
The function removes the blank characters on both ends of string s.
Parameter:
|
s |
Source string from which you want to remove the blank characters |
Option:
|
@l |
Remove spaces to the left of the string, with the parameter being letter l |
|
@r |
Remove spaces to the right of the string; by default, remove spaces on both ends |
|
@a |
Remove all extra whitespaces; if there is one or continuous whitespaces within the string, retain only one whitespace; remove the whitespaces between a character and a word, but retain the whitespaces within the quotation marks |
Return value:
String
Example:
|
trim(" abc ") |
"abc" |
|
trim(" a bc ") |
"a bc" |
|
trim@l(" abc def ") |
"abc def " |
|
trim@l("def abc ") |
"def abc " |
|
trim@r(" abc def ") |
" abc def" |
|
trim@r("def abc ") |
"def abc" |
|
trim@a(" a bc ") |
"a bc" |
|
trim@a("a bc") |
"a bc" |
|
trim@a("a\' bc\' ") |
"a' bc'" |
|
trim@a("abc !") |
"abc!" |