updated from Atlas

04-text-byte/ramanujan.py

@@ -0,0 +1,21 @@
+# BEGIN RE_DEMO
+import re
+
+re_numbers_str = re.compile(r'\d+')     # <1>
+re_words_str = re.compile(r'\w+')
+re_numbers_bytes = re.compile(rb'\d+')  # <2>
+re_words_bytes = re.compile(rb'\w+')
+
+text_str = ("Ramanujan saw \u0be7\u0bed\u0be8\u0bef"  # <3>
+            " as 1729 = 1³ + 12³ = 9³ + 10³.")        # <4>
+
+text_bytes = text_str.encode('utf_8')  # <5>
+
+print('Text', repr(text_str), sep='\n  ')
+print('Numbers')
+print('  str  :', re_numbers_str.findall(text_str))      # <6>
+print('  bytes:', re_numbers_bytes.findall(text_bytes))  # <7>
+print('Words')
+print('  str  :', re_words_str.findall(text_str))        # <8>
+print('  bytes:', re_words_bytes.findall(text_bytes))    # <9>
+# END RE_DEMO