If you want just a space use just a space! If you want to match everything except some specific white space characters use a negated character class with \S and the other white space characters you want to keep:

s/Hi[^\S\n\r\f]+//g

for example.

Premature optimization is the root of all job security

In reply to Re^3: \s matches newline in regex? by GrandFather
in thread \s matches newline in regex? by Only1KW

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