What does the regex (\d{3})(?=\d) mean?
114438
Explanation of Lookaheads in This Regular Expression
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What does "\" mean in math
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What do ^ and $ mean in a regular expression?
158157
What does “{} \;” mean in find (in Linux)?
120978
Difference between regex [A-z] and [a-zA-Z]
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What is "?:" notation in JavaScript?
134050
Question about set notation: what does $]a,b[$ mean?
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JavaScript regular expressions and sub-matches
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What do curly braces in JavaScript mean?
3965
What special characters must be escaped in regular expressions?
146668
What does square bracket [] mean in the below code?
78395
Checking whole string with a regex
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Regex Help- Escaping Characters And Matcher Method
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PHP regex delimiter, what's the point?
102369
How to convert this PHP Regex to Javascript Regex?
42776
What is the meaning of []
91941
What do square brackets around an identifier in VB.NET signify?