Find a regular expression not preceded by and not followed by
35989
Match a pattern only when NOT preceded or followed by another pattern
52235
Case insensitive regular expression without re.compile?
117455
Regex for number check below a value
42597
Search and replace strings that are not substrings of other strings
123652
Returning only part of match from Regular Expression
105003
Decimal number regular expression, where digit after decimal is optional
57153
String.split() *not* on regular expression?
123210
regex to find a word before and after a specific word
94281
How can I grep for a string containing regex metacharacters like $ and '?
14068
Regular Expressions: Is there an AND operator?
101148
Regular expression to return text between parenthesis
108858
match until a certain pattern using regex
94738
Non-greedy match with SED regex (emulate perl's .*?)
126141
Regular expression to match a word or its prefix
93958
How to match hyphens with Regular Expression?
18338
Find the next element that is not immediate?
114588
Finding substring whilst ignoring HTML tags