Table 2.

Regular expressions used for filtering genetic research articles^a

Regular expression	Example
\d+\s?[A-Z]/[A-Z]	3123 C/A, 3123C/A
\d+[A-Z]	123C, 825T
[A-Z]\s?\d+	C 123, T 825
[A-Z]\d+[A-Z]	C825T
\d+\s?[A-Z](-{0,2}>|to)\s?[A-Z]	866C–>T, 825 C to T, 926G>C
Amino acid–>Amino acid\d+	Gly–>Arg483
[A-Z] to [A-Z]\s?\d+	C to T 825
\d+\s?([A-Z]>[A-Z])	969(G>C), 969 (G>C)
Amino acid(\d+)Amino acid	Ile(655)Val
SNP|rs\d{2,}	rs7805828, SNP
(-?\d*)del[A-Z]	−36delG, delT
[ATCG]\.\d+[ATCG]>[ATCG]	C.553G>T

^aAmino acid refers to the abbreviation of amino acids, such as ‘Gly’ and ‘Arg’.