Merge branch 'feature/numeric-arguments' into develop

Author: moebrowne

README.md

@@ -69,11 +69,13 @@ argExists 'r' && echo "Found the -O argument"
 ```bash
 -a
 -X
+-2
 -b somevalue
 -c 38
 -d "some value with spaces"
 -e "some value with
 newlines"
+-7 "ate nine"
 ```
 
 ### Long Form
@@ -86,13 +88,16 @@ newlines"
 --long-parameter
 --newline "
 "
+--1337
+--365 "days"
 ```
 
 ### Chained Short Form Arguments
 
 ```bash
 -aih	# Equivalent to -a -i -h
 -dav 4	# Equivalent to -d -a -v 4
+-H3cx	# Equivalent to -H -3 -c -x
 ```
 
 ## Argument Order

argument-parser.sh

@@ -1,9 +1,9 @@
 #!/bin/bash
 
 # Define the regex for matching the arguments
-regexArgShort='^-([a-zA-Z])$'
-regexArgShortChained='^-([a-zA-Z]{2,})$'
-regexArgLong='^--([a-zA-Z\-]{2,})$'
+regexArgShort='^-([a-zA-Z0-9])$'
+regexArgShortChained='^-([a-zA-Z0-9]{2,})$'
+regexArgLong='^--([a-zA-Z0-9\-]{2,})$'
 
 argChunks=()