<, > = and ! are not that "special" for regular expressions.

They can be used inside a "[ ] Bracketed Character class" with capture (see perldoc perlre). 

perl -e '($x=shift()) =~/([=<>!]+)/ and print "\[$x] has \[$1]\n"' "Ra
+nge is != 4%"
[Range is != 4%] has [!=]

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        Clarity: it's like that one thing that is not the other thing, except for when it is.

In reply to Re: How to extract special charachetrs like <=, >= != from string by NetWallah
in thread How to extract special charachetrs like <=, >= != from string by gjoshi

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