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import re

s = 'Josh is 21'

ages = re.findall(r'\d{1,3}',s)
names = re.findall(r'[A-Z][a-z]*',s)

dict = {}

for name, age in zip(names, ages):
    dict[name] = age

print(dict)

'''Identifiers:

\d = any number
\D = anything but a number
\s = space
\S = anything but a space
\w = any letter
\W = anything but a letter
. = any character, except for a new line
\b = space around whole words
\. = period. must use backslash, because . normally means any character.
Modifiers:

{1,3} = for digits, u expect 1-3 counts of digits, or "places"
+ = match 1 or more
? = match 0 or 1 repetitions.
* = match 0 or MORE repetitions
$ = matches at the end of string
^ = matches start of a string
| = matches either/or. Example x|y = will match either x or y
[] = range, or "variance"
{x} = expect to see this amount of the preceding code.
{x,y} = expect to see this x-y amounts of the precedng code
White Space Charts:

\n = new line
\s = space
\t = tab
\e = escape
\f = form feed
\r = carriage return
Characters to REMEMBER TO ESCAPE IF USED!

. + * ? [ ] $ ^ ( ) { } | \
Brackets:

[] = quant[ia]tative = will find either quantitative, or quantatative.
[a-z] = return any lowercase letter a-z
[1-5a-qA-Z] = return all numbers 1-5, lowercase letters a-q and uppercase A-Z'''