Should be more.
For example, no need suppressing \;\-\_ and so when only needs delimiters and quantifiers suppressed, which are:
Note where are only left brackets.
\s you should change, it is not only white space, it is line brakes and tabs also. You probably know what happens with php in the new line. ;)
Replace it with:
This is only white space.
For example, no need suppressing \;\-\_ and so when only needs delimiters and quantifiers suppressed, which are:
Code:
\ | ( ) [ { ^ $ * + ? . < >
\s you should change, it is not only white space, it is line brakes and tabs also. You probably know what happens with php in the new line. ;)
Replace it with:
Code:
\p{Zs}
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