'p?r=p?w'
replaces all par to paw
pbr to pbw
pcr to pcw ...
'p??r=p?2?1r'
swaps the two letters between p and r
'a*=b*'
replaces only the first 'a' by 'b'
'?* *=?. *2'
Replaces the first word by its first letter + '.'
'\:=\n'
replaces all ':' by <newline>
'*=* *(key1)'
appends the database field <key1>. if <key1> does not exists append nothing
'*=* *(key1#no info)'
appends the database field <key1> if <key1> does not exists append 'no info'
'*=*(key2\: =)'
The value of 'key2' with all spaces removed
'*=*(key2|remove(.-))'
the value of the database entry 'key2', but all '.' and '-' characters removed
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