Match Perl, a space, and Python


  /Perl Python/        # Perl, a space, and Python

1.	Regexps use elements to instruct the regular expression engine on how to find a given string.
2.	An example of a regular expression used to match a string with the String method scan.
3.	Search for a word from the very beginning
4.	Looking for a word
5.	grep(/men/)
6.	grep(/m[ae]n/)
7.	grep(/men\|man/)
8.	grep(/m(e\|a)n/)
9.	grep(/^When in/)
10.	grep(/outcast state,$/)
11.	grep(/\Aen in/)
12.	grep(/e n,\z/)
13.	grep(/[$\d\d\d$]?\d\d\d-\d\d\d\d/)
14.	grep(/colou?r/)
15.	grep(/[$\d+$]?\d+-\d+/)
16.	grep(/[$\d{3}$]?\d{3}-\d{4}/)
17.	Implementing Class and Singleton Methods
18.	Match a time
19.	Match Perl, zero or more other chars, then Python
20.	Match Perl, zero or more spaces, and Python
21.	Match Perl, one or more spaces, and Python
22.	Match Perl, whitespace characters, then Python
23.	Match Ruby, a space, and either Perl or Python
24.	Match a regular repression in if statement
25.	sub and gsub replace with regular expressions
26.	Replace Perl or Python with Ruby
27.	The method Regexp#match matches a regular expression against a string.
28.	MatchData-related $-variables are in $~

Match Perl, a space, and Python : Regexps « Development « Ruby