EAT 217 ext/ereg/regex/regcomp.c if (!EAT('|'))
EAT 363 ext/ereg/regex/regcomp.c if (EAT(',')) {
EAT 372 ext/ereg/regex/regcomp.c if (!EAT('}')) { /* error heuristics */
EAT 425 ext/ereg/regex/regcomp.c if (EAT('^')) {
EAT 533 ext/ereg/regex/regcomp.c if (EAT('*')) { /* implemented as +? */
EAT 541 ext/ereg/regex/regcomp.c if (EAT(',')) {
EAT 608 ext/ereg/regex/regcomp.c if (EAT('^'))
EAT 610 ext/ereg/regex/regcomp.c if (EAT(']'))
EAT 612 ext/ereg/regex/regcomp.c else if (EAT('-'))
EAT 616 ext/ereg/regex/regcomp.c if (EAT('-'))
EAT 711 ext/ereg/regex/regcomp.c if (EAT('-'))