CHAR_4 977 ext/pcre/pcrelib/pcre_compile.c case CHAR_1: case CHAR_2: case CHAR_3: case CHAR_4: case CHAR_5: CHAR_4 6284 ext/pcre/pcrelib/pcre_compile.c case CHAR_0: case CHAR_1: case CHAR_2: case CHAR_3: case CHAR_4: