EAT 209 ereg/regex/regcomp.c if (!EAT('|'))
EAT 355 ereg/regex/regcomp.c if (EAT(',')) {
EAT 364 ereg/regex/regcomp.c if (!EAT('}')) { /* error heuristics */
EAT 417 ereg/regex/regcomp.c if (EAT('^')) {
EAT 525 ereg/regex/regcomp.c if (EAT('*')) { /* implemented as +? */
EAT 533 ereg/regex/regcomp.c if (EAT(',')) {
EAT 600 ereg/regex/regcomp.c if (EAT('^'))
EAT 602 ereg/regex/regcomp.c if (EAT(']'))
EAT 604 ereg/regex/regcomp.c else if (EAT('-'))
EAT 608 ereg/regex/regcomp.c if (EAT('-'))
EAT 703 ereg/regex/regcomp.c if (EAT('-'))