Source position: regexh.inc line 53
const RE_SYNTAX_EGREP = RE_CHAR_CLASSES or RE_CONTEXT_INDEP_ANCHORS or RE_CONTEXT_INDEP_OPS or RE_HAT_LISTS_NOT_NEWLINE or RE_NEWLINE_ALT or RE_NO_BK_PARENS or RE_NO_BK_VBAR;