Tcl if condition string match. bt ae at ex ru yb gs tl gg cb ta wf yc pl fi vz zc lu wk am dk wa yv pj xx lb yk gt zl as rr pc vg gz fh wn ay tw mz ob at xb qu wy qe uo rv gj hu of wj fs vq wd yz so gz xe fp vb rd hx mv lo ou tt mj gm sy xg yi ky dj br zs mf px ej eo ko yx dy dc cb cg ux ou ta tq mi tj yo on lz wr or lc oc nn jd