ϵ is the Unicode character GREEK LUNATE EPSILON SYMBOL, code point U+03F5 (decimal 1013) in the Greek and Coptic block, added in Unicode 3.1. In HTML write ϵ, and in UTF-8 it is the 2 bytes CF B5.
Codes
| Where | How to write it |
|---|---|
| Code point | U+03F5 |
| Decimal | 1013 |
| UTF-8 bytes | CF B5 |
| UTF-16 (big-endian) | 03F5 |
| UTF-32 | 000003F5 |
| HTML decimal | ϵ |
| HTML hex | ϵ |
| HTML named | ϵ ϵ ϵ |
| CSS | \3F5 |
| JavaScript | \u03F5 |
| JSON | \u03F5 |
| Python | \u03F5 |
| Python by name | \N{GREEK LUNATE EPSILON SYMBOL} |
| Java, C# | \u03F5 |
| Rust, Swift | \u{3F5} |
| Go, C, C++ | \u03F5 |
| URL (percent-encoded) | %CF%B5 |
JavaScript and JSON strings store text as UTF-16, so this character is one code unit long. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | GREEK LUNATE EPSILON SYMBOL |
| Code point | U+03F5 (decimal 1013) |
| Block | Greek and Coptic (U+0370–U+03FF) |
| General category | Ll: Lowercase letter |
| Script | Greek |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 3.1 |
Decomposition
GREEK LUNATE EPSILON SYMBOL has a compatibility decomposition (compat) to the sequence below. NFKC and NFKD normalisation replace it with that sequence, which can change how text looks, so use them for search, not for storage.
Upper and lower case
- Ε U+0395 Greek Capital Letter Epsilon — Uppercase
Nearby in Greek and Coptic
- ϭ U+03ED Coptic Small Letter Shima
- Ϯ U+03EE Coptic Capital Letter Dei
- ϯ U+03EF Coptic Small Letter Dei
- ϰ U+03F0 Greek Kappa Symbol
- ϱ U+03F1 Greek Rho Symbol
- ϲ U+03F2 Greek Lunate Sigma Symbol
- ϳ U+03F3 Greek Letter Yot
- ϴ U+03F4 Greek Capital Theta Symbol
- ϶ U+03F6 Greek Reversed Lunate Epsilon Symbol
- Ϸ U+03F7 Greek Capital Letter Sho
- ϸ U+03F8 Greek Small Letter Sho
- Ϲ U+03F9 Greek Capital Lunate Sigma Symbol
- Ϻ U+03FA Greek Capital Letter San
- ϻ U+03FB Greek Small Letter San
- ϼ U+03FC Greek Rho With Stroke Symbol
- Ͻ U+03FD Greek Capital Reversed Lunate Sigma Symbol
All 135 characters: Greek and Coptic.
Official reference
Questions people ask
- What is the HTML code for ϵ?
- Use the named entity ϵ, or ϵ (decimal) or ϵ (hex).
- What is the UTF-8 encoding of U+03F5?
- CF B5 (hex), 2 bytes. In a URL it is %CF%B5.
- How do I write U+03F5 in JavaScript or Python?
- JavaScript: \u03F5. Python: \u03F5.
Source
Unicode Character Database 18.0.0 (Unicode License v3); HTML entity names from the WHATWG HTML Standard (CC BY 4.0). The encodings above are computed from the code point and checked against Python's encoders. How the character looks depends on your fonts.
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