RegExp() logical and and or result unexpected
14068
Regular Expressions: Is there an AND operator?
141693
Why is this match pattern unreachable when using non-literal patterns?
38958
How do "and" and "or" act with non-boolean values?
2559
Is there a regular expression to detect a valid regular expression?
125038
What is a "Nested Quantifier" and why is it causing my regex to fail?
125564
PHP regex delimiter, what's the point?
142618
Why does the "or" go before the "and"?
57153
String.split() *not* on regular expression?
124258
How do you match one of two words in a regular expression?
85437
Python's equivalent of && (logical-and) in an if-statement
46005
Java regexp for file filtering
4233
JavaScript + Unicode regexes
28150
Formal Languages - Regular Expression
30260
Is there a RegExp.escape function in JavaScript?
135065
&& (AND) and || (OR) in IF statements
129188
Parse error: syntax error, unexpected '.', expecting ',' or ';'
38401
When should I use  or >()?