String

README.md

@@ -320,35 +320,33 @@ String
 <int>  = <str>.index(<sub_str>)              # Same but raises ValueError if missing.
 ```
 
-```python
-<bool> = <str>.isdecimal()                   # True if str contains only [0-9], [٠-٩], …
-<bool> = <str>.isdigit()                     # Also true if str contains '¹²³…'.
-<bool> = <str>.isnumeric()                   # Also true if str contains '¼½¾…'.
-```
-
 ```python
 <str>  = <str>.replace(old, new [, count])   # Replaces 'old' with 'new' at most 'count' times.
+<str>  = <str>.translate(<table>)            # Use `str.maketrans(<dict>)` to generate table.
 <list> = textwrap.wrap(<str>, width)         # Nicely breaks string into lines.
 ```
-
 * **Also: `'lstrip()'`, `'rstrip()'`.**
 * **Also: `'lower()'`, `'upper()'`, `'capitalize()'` and `'title()'`.**
 
+### Properties
+```text
++---------------+----------+----------+----------+----------+----------+----------+
+|               | [\t\n\r] | [ !#$%…] | [A-Za-z] |  [¼½¾…]  |  [¹²³…]  |  [0-9]   |
++---------------+----------+----------+----------+----------+----------+----------+
+| isprintable() |          |   yes    |   yes    |   yes    |   yes    |   yes    |
+| isalnum()     |          |          |   yes    |   yes    |   yes    |   yes    |
+| isnumeric()   |          |          |          |   yes    |   yes    |   yes    |
+| isdigit()     |          |          |          |          |   yes    |   yes    |
+| isdecimal()   |          |          |          |          |          |   yes    |
++---------------+----------+----------+----------+----------+----------+----------+
+```
+
 ### Char
 ```python
 <str> = chr(<int>)                           # Converts int to unicode char.
 <int> = ord(<str>)                           # Converts unicode char to int.
 ```
 
-```python
->>> ord('0'), ord('9')
-(48, 57)
->>> ord('A'), ord('Z')
-(65, 90)
->>> ord('a'), ord('z')
-(97, 122)
-```
-
 
 Regex
 -----

index.html

@@ -432,28 +432,29 @@ to_exclusive   = <range>.stop
 &lt;int&gt;  = &lt;str&gt;.find(&lt;sub_str&gt;)               <span class="hljs-comment"># Returns start index of first match or -1.</span>
 &lt;int&gt;  = &lt;str&gt;.index(&lt;sub_str&gt;)              <span class="hljs-comment"># Same but raises ValueError if missing.</span>
 </code></pre>
-<pre><code class="python language-python hljs">&lt;bool&gt; = &lt;str&gt;.isdecimal()                   <span class="hljs-comment"># True if str contains only [0-9], [٠-٩], …</span>
-&lt;bool&gt; = &lt;str&gt;.isdigit()                     <span class="hljs-comment"># Also true if str contains '¹²³…'.</span>
-&lt;bool&gt; = &lt;str&gt;.isnumeric()                   <span class="hljs-comment"># Also true if str contains '¼½¾…'.</span>
-</code></pre>
 <pre><code class="python language-python hljs">&lt;str&gt;  = &lt;str&gt;.replace(old, new [, count])   <span class="hljs-comment"># Replaces 'old' with 'new' at most 'count' times.</span>
+&lt;str&gt;  = &lt;str&gt;.translate(&lt;table&gt;)            <span class="hljs-comment"># Use `str.maketrans(&lt;dict&gt;)` to generate table.</span>
 &lt;list&gt; = textwrap.wrap(&lt;str&gt;, width)         <span class="hljs-comment"># Nicely breaks string into lines.</span>
 </code></pre>
 <ul>
 <li><strong>Also: <code class="python hljs"><span class="hljs-string">'lstrip()'</span></code>, <code class="python hljs"><span class="hljs-string">'rstrip()'</span></code>.</strong></li>
 <li><strong>Also: <code class="python hljs"><span class="hljs-string">'lower()'</span></code>, <code class="python hljs"><span class="hljs-string">'upper()'</span></code>, <code class="python hljs"><span class="hljs-string">'capitalize()'</span></code> and <code class="python hljs"><span class="hljs-string">'title()'</span></code>.</strong></li>
 </ul>
+<div><h3 id="properties">Properties</h3><pre><code class="text language-text">+---------------+----------+----------+----------+----------+----------+----------+
+|               | [\t\n\r] | [ !#$%…] | [A-Za-z] |  [¼½¾…]  |  [¹²³…]  |  [0-9]   |
++---------------+----------+----------+----------+----------+----------+----------+
+| isprintable() |          |   yes    |   yes    |   yes    |   yes    |   yes    |
+| isalnum()     |          |          |   yes    |   yes    |   yes    |   yes    |
+| isnumeric()   |          |          |          |   yes    |   yes    |   yes    |
+| isdigit()     |          |          |          |          |   yes    |   yes    |
+| isdecimal()   |          |          |          |          |          |   yes    |
++---------------+----------+----------+----------+----------+----------+----------+
+</code></pre></div>
+
 <div><h3 id="char">Char</h3><pre><code class="python language-python hljs">&lt;str&gt; = chr(&lt;int&gt;)                           <span class="hljs-comment"># Converts int to unicode char.</span>
 &lt;int&gt; = ord(&lt;str&gt;)                           <span class="hljs-comment"># Converts unicode char to int.</span>
 </code></pre></div>
 
-<pre><code class="python language-python hljs"><span class="hljs-meta">&gt;&gt;&gt; </span>ord(<span class="hljs-string">'0'</span>), ord(<span class="hljs-string">'9'</span>)
-(<span class="hljs-number">48</span>, <span class="hljs-number">57</span>)
-<span class="hljs-meta">&gt;&gt;&gt; </span>ord(<span class="hljs-string">'A'</span>), ord(<span class="hljs-string">'Z'</span>)
-(<span class="hljs-number">65</span>, <span class="hljs-number">90</span>)
-<span class="hljs-meta">&gt;&gt;&gt; </span>ord(<span class="hljs-string">'a'</span>), ord(<span class="hljs-string">'z'</span>)
-(<span class="hljs-number">97</span>, <span class="hljs-number">122</span>)
-</code></pre>
 <div><h2 id="regex"><a href="#regex" name="regex">#</a>Regex</h2><pre><code class="python language-python hljs"><span class="hljs-keyword">import</span> re
 &lt;str&gt;   = re.sub(&lt;regex&gt;, new, text, count=<span class="hljs-number">0</span>)  <span class="hljs-comment"># Substitutes all occurrences.</span>
 &lt;list&gt;  = re.findall(&lt;regex&gt;, text)            <span class="hljs-comment"># Returns all occurrences.</span>

web/script_2.js

@@ -205,6 +205,19 @@ const DIAGRAM_11_B =
   '┃     4     │ -2147483648 │    0 │  2147483647 ┃\n' +
   '┗━━━━━━━━━━━┷━━━━━━━━━━━━━┷━━━━━━┷━━━━━━━━━━━━━┛\n';
 
+const DIAGRAM_12_A =
+  '+---------------+----------+----------+----------+----------+----------+----------+\n';
+
+const DIAGRAM_12_B =
+  '┏━━━━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┓\n' +
+  '┃               │ [\\t\\n\\r] │ [ !#$%…] │ [A-Za-z] │  [¼½¾…]  │  [¹²³…]  │  [0-9]   ┃\n' +
+  '┠───────────────┼──────────┼──────────┼──────────┼──────────┼──────────┼──────────┨\n' +
+  '┃ isprintable() │          │    ✓     │    ✓     │    ✓     │    ✓     │    ✓     ┃\n' +
+  '┃ isalnum()     │          │          │    ✓     │    ✓     │    ✓     │    ✓     ┃\n' +
+  '┃ isnumeric()   │          │          │          │    ✓     │    ✓     │    ✓     ┃\n' +
+  '┃ isdigit()     │          │          │          │          │    ✓     │    ✓     ┃\n' +
+  '┃ isdecimal()   │          │          │          │          │          │    ✓     ┃\n' +
+  '┗━━━━━━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┛\n';
 
 // isFontAvailable:
 (function(d){function c(c){b.style.fontFamily=c;e.appendChild(b);f=b.clientWidth;e.removeChild(b);return f}var f,e=d.body,b=d.createElement("span");b.innerHTML=Array(100).join("wi");b.style.cssText=["position:absolute","width:auto","font-size:128px","left:-99999px"].join(" !important;");var g=c("monospace"),h=c("serif"),k=c("sans-serif");window.isFontAvailable=function(b){return g!==c(b+",monospace")||k!==c(b+",sans-serif")||h!==c(b+",serif")}})(document);
@@ -221,6 +234,7 @@ if (isFontAvailable('Menlo')) {
   $(`code:contains(${DIAGRAM_9_A})`).html(DIAGRAM_9_B);
   $(`code:contains(${DIAGRAM_10_A})`).html(DIAGRAM_10_B);
   $(`code:contains(${DIAGRAM_11_A})`).html(DIAGRAM_11_B);
+  $(`code:contains(${DIAGRAM_12_A})`).html(DIAGRAM_12_B);
 }
 
 var isMobile = false;