How can I pass the variable to the to RegEx?
823
How do you use a variable in a regular expression?
142890
Regular expression getElementById
78395
Checking whole string with a regex
101144
How to match, but not capture, part of a regex?
142022
Get index of each capture in a JavaScript regex
26784
JavaScript RegExp objects
131930
How does storing the regular expression in a shell variable avoid problems with quoting characters that are special to the shell?
30811
Regex to get string between curly braces
120603
Is there a way to precompile a regex in Perl?
99589
Use variable inside bash brace expansion
44719
How can I count the number of matches for a regex?
134669
How to extract a value from a string using regex and a shell?
101511
Is there a PHP function that can escape regex patterns before they are applied?
38607
Variable substitution with an exclamation mark in bash
142974
Get the index of a pattern in a string using regex
10125
How does this regular expression work?
6448
Reference - What does this regex mean?