Windows build failed with error: 'regex.h' file not found

[pigmoral]

Tested building on Windows but failed with:

PS C:\Users\007\Documents\nemu-zig-master> zig build
install
└─ install nemu-zig
   └─ zig build-exe nemu-zig Debug native
      └─ zig build-lib regex_slim Debug native 1 errors
C:\Users\007\Documents\nemu-zig-master\lib/regex_slim.h:4:10: error: 'regex.h' file not found
#include <regex.h>
         ^~~~~~~~~~
C:\Users\007\Documents\nemu-zig-master\lib\regex_slim.c:4:10: note: in file included from C:\Users\007\Documents\nemu-zig-master\lib\regex_slim.c:4:
#include "regex_slim.h"
         ^
error: the following command failed with 1 compilation errors:
C:\Users\007\Documents\zig-windows-x86_64-0.12.0-dev.2631+3069669bc\zig.exe build-lib -cflags -std=c99 -- C:\Users\007\Documents\nemu-zig-master\lib\regex_slim.c -ODebug -I C:\Users\007\Documents\nemu-zig-master\lib -Mroot -lc --cache-dir C:\Users\007\Documents\nemu-zig-master\zig-cache --global-cache-dir C:\Users\007\AppData\Local\zig --name regex_slim -static --listen=-
Build Summary: 1/5 steps succeeded; 1 failed (disable with --summary none)
install transitive failure
└─ install nemu-zig transitive failure
   └─ zig build-exe nemu-zig Debug native transitive failure
      └─ zig build-lib regex_slim Debug native 1 errors
error: the following build command failed with exit code 1:
C:\Users\007\Documents\nemu-zig-master\zig-cache\o\c7de7d9d364d15bba88283bbeea1f9bb\build.exe C:\Users\007\Documents\zig-windows-x86_64-0.12.0-dev.2631+3069669bc\zig.exe C:\Users\007\Documents\nemu-zig-master C:\Users\007\Documents\nemu-zig-master\zig-cache C:\Users\007\AppData\Local\zig --seed 0xdfd136a1 -Z812c558573d3ab84