code: def regex_in(pl,regex):
      '''
          regex = re.compile("^[a-z]+$")
          pl = ['b1c3d','xab15cxx','1x','y2']
          regex_in(pl,regex)
          
          regex = re.compile("^[0-9a-z]+$")
          pl = ['b1c3d','xab15cxx','1x','y2']
          regex_in(pl,regex)
          
      '''
      def cond_func(ele,regex):
          m = regex.search(ele)
          if(m == None):
              return(False)
          else:
              return(True)
      cond = some(pl,cond_func,regex)['cond']
      return(condf regex_in(pl,regex):
      '''
          regex = re.compile("^[a-z]+$")
          pl = ['b1c3d','xab15cxx','1x','y2']
          regex_in(pl,regex)
          
          regex = re.compile("^[0-9a-z]+$")
          pl = ['b1c3d','xab15cxx','1x','y2']
          regex_in(pl,regex)
          
      '''
      def cond_func(ele,regex):
          m = regex.search(ele)
          if(m == None):
              return(False)
          else:
              return(True)
      cond = some(pl,cond_func,regex)['cond']
      return(cond)
docs: regex = re.compile("^[a-z]+$")
          pl = ['b1c3d','xab15cxx','1x','y2']
          regex_in(pl,regex)
          
          regex = re.compile("^[0-9a-z]+$")
          pl = ['b1c3d','xab15cxx','1x','y2']
          regex_in(pl,regex)