Add tests for u-flag on regexps
Add tests for u-flag on regexps

bculkin2442/ioke,olabini/ioke,olabini/ioke,olabini/ioke,bculkin2442/ioke,bculkin2442/ioke,bculkin2442/ioke,olabini/ioke,olabini/ioke,bculkin2442/ioke,bculkin2442/ioke,bculkin2442/ioke,olabini/ioke