Regular Expression
https://regexr.com/
Is case sensitive
[j-q] matches single character between j-q j+ matches one or more j's [j-q0-9]+ matches j9q0 [j-q]+[0-9]+ matches jq9 not j9q0
Symbol
Effect
Example
.
any char
a.b => aye
*
0-any of last char
ba* => baaaaa & b
+
1-any of last char
ba+ => baaaaa & ba
^
not
[^0-9] => a
^
Start of word
^abc$
$
End of word
^abc$
Examples
Matches any character not in the set 0-9, ., or -
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