RegUTF8 @re_nsub: @rm_so: @rm_eo: @preg: @pattern: @cflags: @Returns: @preg: @string: @nmatch: @pmatch: @eflags: @Returns: @errcode: @preg: @errbuf: @errbuf_size: @Returns: @preg: @target: @s: @Returns: @target: @s: