Table 5. MiRNAs regex aliases.

Aliases used in regular expression patterns for miRNAs identification (highlighted in bold).

Description	Alias	Regular Expression Pattern
Digit sequences	D	(\d?\d*)
Admissible hypens with a trailing space	Z	([\-]?[\-]*)
Admissible hypens with a leading space	S	([\-]?[\-]*)
3-letter prefix for human followed by a hyphen	Pref	([hH][sS][aA][\-])
Non-specific miRNA mentions	miRNA	([mM][iI]([cC][rR][oO])+[rR]([nN][aA]s+)+)
Let-7 miRNA mention	Let	([lL][eE][tT] S*[7]?\l+)
Lin-4 miRNA mention	Lin	([lL][iI][nN] S*[4]?\l+)
Oncomir miRNA mention	Onco	([oO][nN][cC][oO][mM][iI][rR])
Admissible tilde and word boundaries	Cluster	(∼[\b]-[\b]-*)
Admissible hyphen and separator and and comma	Sep	( S*((and?, S,\/,)? S*)+)
Admissible combination of upper and lower case alphabets	UL	(?\l?\l+,?\u?\u+)
Admissible alpha-numerical identifiers in specific miRNA mentions	AN	( UL((/, *and*, D+)? UL)+)
Admissible alpha-numerical identifiers in oncomir mentions	Tail	( D( AN Cluster+,\- D AN+)+)