I Know Regular Expressions T-shirt
🎁 Buy 3+ items → 10% off your order, auto-applied at cart.
Garment
📏 Size guide & fit — Unisex Standard T-Shirt
| Size | Length (in) | Width (in) |
|---|---|---|
| S | 28 | 18 |
| M | 29 | 20 |
| L | 30 | 22 |
| XL | 31 | 24 |
| 2XL | 32 | 26 |
| 3XL | 33 | 28 |
| 4XL | 34 | 30 |
| 5XL | 35 | 32 |
Measurements are garment dimensions in inches. Between sizes? Size up for a relaxed look.
Print side
Size
Color:
Quantity
1
$21.99
Unisex Standard T-Shirt · size? · color? · Qty 1
⏱
Made to order · 2–4 daysfast turnaround
🚚
Free US shippingUS orders over $50.00
↩
7-day returns+ 1 free size exchange
🔒
Secure checkoutPayPal · price server-side
🎁 Bundle & save — buy any 3 items and 10% off is applied automatically, no code needed.
For those who navigate the complexities of coding, this T-shirt embraces the quirks of programming languages. Featuring the phrase 'I Know Regular Expressions,' the graphic invites a knowing smile from fellow developers who understand the language of regex. The bold lettering ensures that your expertise is front and center, making it an ideal pick for tech meetups, coding sessions, or casual Fridays at the office. With its clever nod to a niche skill, this shirt also serves as a humorous icebreaker among tech enthusiasts, making it a fun part of any programmer's wardrobe.
Product details
- Fabric
- 100% ring-spun cotton (heather colors are a cotton–polyester blend); midweight 4.2–5.3 oz, pre-shrunk.
- Print placement
- Front, Back, Front + Back
- Garment options
- 13 styles — unisex & women's tees, hoodies, sweatshirts, tanks, long-sleeve, and kids
- Available sizes
- S–5XL (range varies by garment)
- Made to order
- Each item is printed after you order — nothing sits in a warehouse, so we cut needless waste.
- Care
- Machine wash cold inside-out, tumble dry low, and avoid ironing directly on the print.
Reviews
No reviews yet — verified buyers can review after their order ships.