Matching the nth occurrence of a single character in regex
63154
Replacing the nth instance of a regex match in Javascript
81811
Simple way to count character occurrences in a string
53523
How to use regex in string in java?
22740
Delete the nth line from a matched string (which only occurs once in the file)
60826
Regular expression matching a multiline block of text
10125
How does this regular expression work?
82797
Regex to match any character including new lines
52705
Find character with most occurrences in string?
68039
How to Regex search/replace only first occurrence in a string in .NET?
36108
Can regular expressions be used to match nested patterns?
83477
How to print every Nth character of a string?
42585
Regex for positive float numbers
116912
Regex only match if character is not included directly before desired string
131388
using regex for math expressions in java?
85777
How do I replace the last occurrence of a character in a string using sed?
142285
What's the regular expression that matches a square bracket?
101140
How can I find all matches to a regular expression in Python?