CHAR_EXCLAMATION_MARK 1463 ext/pcre/pcrelib/pcre_compile.c if ((*ptr == CHAR_LESS_THAN_SIGN && ptr[1] != CHAR_EXCLAMATION_MARK && CHAR_EXCLAMATION_MARK 5771 ext/pcre/pcrelib/pcre_compile.c ptr[2] == CHAR_EXCLAMATION_MARK || ptr[2] == CHAR_LESS_THAN_SIGN)) CHAR_EXCLAMATION_MARK 5963 ext/pcre/pcrelib/pcre_compile.c case CHAR_EXCLAMATION_MARK: /* Negative lookahead */ CHAR_EXCLAMATION_MARK 5986 ext/pcre/pcrelib/pcre_compile.c case CHAR_EXCLAMATION_MARK: /* Negative lookbehind */