diff --git a/Regular-Expressions.md b/Regular-Expressions.md
new file mode 100644
index 0000000..b771898
--- /dev/null
+++ b/Regular-Expressions.md
@@ -0,0 +1,18 @@
+| MPW | Standard | Comments |
+| --------------- | --------------- | --------------- |
+| ? | . | Match any character (except return) |
+| ≈ | .* | Match 0 or more characters |
+| ∂ | \ | Escape special character |
+| • | ^ | Match beginning of line |
+| ∞ | $ | Match end of line |
+| [...] | [...] | Sets. Case-insensitive unless {CaseSensitive} variable is set to 1. ∂ / \ ' " [ ] require ∂ escaping. - must be first to be a literal character. |
+| [¬...] | [^...] | Set negation |
+| + | + | Repeat 1 or more times |
+| * | * | Repeat 0 or more times |
+| «*n*» | {*n*} | Repeat *n* times (also «*n*,*n*», «,*n*», «*n*,») |
+| (...)®*n* | | Capture the expression in variable @*n* (where *n* is 0-9) |
+| ®*n* | | Match previously captured variable. |
+
+/ regular expression / - search forward
+
+\ regular expression \ - search backward