Try:

my $TestString = "hello there <here I am> today is sunny";
my @Matches = ($TestString =~ m|<(.+?)>|ogs);
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This initializes @Matches with a list of all text strings between an initial < and the first > following it, possibly including later < characters. (In particular, "<<WonderText>>" would have the single match "<WonderText".)

As for the modifiers (a quick review; cf. the perl documentation for a full explanation)

• g: global matching
• o: one-shot (the regex is defined at compile time)
• s: arbitary string (don't break just because \n is in the string)

Another modifier that is very practical is:

• i: case-insensitive

I generally reach for the documentation if I need anything more complicated than the above.