linux - Pattern search within directory -


how find particular pattern in files , sub-directories within directory?
exact word can searched using find grep , exec.
how find below:
'match=true' there may or may not multiple spaces around '='.

this finds match=true 0 or more (*) whitespace characters (\s) around equals sign (tab, although uncommon between non-whitespace characters, valid character around equals sign in many languages):

grep 'match\s*=\s*true'

if want match 0 or 1 whitespace, can use \? instead of * above.


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