Expression
|
Meaning
|
^abc
|
Match "abc" at beginning of line
|
abc$
|
Match "abc" at end of line
|
^abc$
|
Match the line "abc" exactly
|
^\s*abc
|
Match "abc" at beginning of line, but allow leading whitespace
|
^\s*end;?\s*$
|
Match a line containing only "end" or "end;" with leading or trailing whitespace
|
abc|def
|
Matches either "abc" or "def"
|
a(b|c)d
|
Matches "abd" or "acd"
|
a(b|c)d\1
|
Matches "abdb" or "acdc", but it does not match "abdc"
|
