What's the meaning of ^ and $ symbols in regular expression?
107373
Regular expression using '$' sign and '^'
20701
The ^^ notation in various engines
94785
What are :+ and &:+ in Ruby?
28966
Is gcc 4.8 or earlier buggy about regular expressions?
141991
What does the notation $S^n$ mean?
146315
'^M' character at end of lines
135638
The difference between \e and ^[
13060
What does the caret operator (^) in Python do?
125564
PHP regex delimiter, what's the point?
62096
What does this symbol mean in JavaScript?
92813
What does << mean in Ruby?
112100
What is the meaning of "$" sign in JavaScript
35728
Java regular expressions and dollar sign
79064
What does the ^ operator do in Java?
6276
Difference between \xx{} and \mathxx{}?
111925
What's the difference between !, %, and @ in replacement tokens?
84199
What does the $\|$ operation mean in cryptographic notation?