Why use a variable in a bash regex match inside [[?
131930
How does storing the regular expression in a shell variable avoid problems with quoting characters that are special to the shell?
25022
In bash, is it possible to use an integer variable in a brace expansion
2583
Quoting within $(command substitution) in Bash
119933
Can I use a variable in a Bash brace expansion?
43973
grep - why do brackets in grep pattern remove the grep process from ps results?
158265
bash trouble assigning to an array index in a loop
79025
grep for expression containing variable
11651
What does curly brackets in the `var { ... } = ...` statements do?
741
What is the difference between the Bash operators [[ vs [ vs ( vs ((?
10125
How does this regular expression work?
99589
Use variable inside bash brace expansion
92806
Difference between matches() and find() in Java Regex
8651
Bash scripting unexpected operator
41303
When do we need curly braces around shell variables?
125564
PHP regex delimiter, what's the point?
124765
How does bash interpret the equal operator with no surrounding spaces in a conditional?
79998
bash array with variable in the name