$ OUT=$(LC_ALL=en_US.UTF-8 smenu -c -e 2 -I'/(1+)/(\1)/g' -n 15 \

> t0012.in)

 (1)     2     3     4     5       6     7     8     9     (1)0  (11)  12   →
0:01 1:07 2:07 3:07 4:07 5:07 6:07 7:07 9:24 10:24 11:24 12:24 13:24 71:24 72:24 73:24 74:24 75:24 76:01 
 28      29    30    32    33      34    35    36    37    38    39    40   →
0:01 1:24 2:24 3:24 4:24 5:24 6:24 7:24 9:24 10:24 11:24 12:24 13:24 21:24 22:24 23:24 24:24 25:24 76:01 
 53      54    55    56    57      58    59    60    6(1)  62    63    64   →
0:01 59:24 60:24 61:24 62:24 63:24 76:01 
 77      78    79    80    8(1)    82    83    84    85    86    87    88   →
0:01 35:24 36:24 37:24 38:24 39:24 76:01 
 (1)0(1) 102   (1)03 (1)04 (1)05   (1)06 (1)07 (1)08 (1)09 (11)0 (111) 112  →
0:01 9:24 10:24 11:24 12:24 13:24 71:24 72:24 73:24 74:24 75:24 76:01 
 (11)9   120   121   122   123     124   125   126   127   128   129   (1)30→
0:01 9:24 10:24 11:24 12:24 13:24 15:24 16:24 17:24 18:24 19:24 21:24 22:24 23:24 24:24 25:24 27:24 28:24 29:24 30:24 31:24 32:24 33:24 35:24 36:24 37:24 38:24 39:24 41:24 42:24 43:24 44:24 45:24 47:24 48:24 49:24 50:24 51:24 53:24 54:24 55:24 56:24 57:24 59:24 60:24 61:24 62:24 63:24 65:24 66:24 67:24 68:24 69:24 76:01 
 (1)37   (1)38 (1)39 (1)40 (1)4(1) 142   (1)43 (1)44 (1)45 (1)46 (1)47 (1)48→
0:01 35:24 36:24 37:24 38:24 39:24 76:01 
$ 

$ echo ":$OUT:"

:(1):

$ exit 0