ESC_R             104 ext/pcre/pcrelib/pcre_compile.c -ESC_P, -ESC_Q, -ESC_R, -ESC_S,      0,      0, -ESC_V, -ESC_W,   /* P - W */
ESC_R             132 ext/pcre/pcrelib/pcre_compile.c /*  D8 */-ESC_Q,-ESC_R,      0,       0,      0,     0,      0,      0,
ESC_R            2834 ext/pcre/pcrelib/pcre_compile.c         else if (-c == ESC_R) c = 'R';   /* \R is literal R in a class */
ESC_R            3125 ext/pcre/pcrelib/pcre_compile.c             else if (d == -ESC_R) d = 'R'; else