How to write a Regular Expression – syntax
Q: What are the special characters, escape sequences, and in general the syntax when doing regex (Regular Expressions)?
A:
. any character except a newline
d any decimal digit
D any non-digit
s any whitespace character
S any non-whitespace characte
w any alphanumeric character
W any non-alphanumeric character
number the contents of the group with the given number
* zero or more of the preceding block
*? zero or more of the preceding block (non-greedy)
+ one or more of the preceding block
+? one or more of the preceding block (non-greedy)
+ zero or one of the preceding block
+? zero or one of the preceding block (non-greedy)
{m} exactly m copies of the preceding block
{m, n} m to n copies of the preceding block
{m, n}? m to n copies of the preceding block (no-greedy)
^ beginning of line
$ end of line
b word boundary
B non-word boundary
(…) group
(?:…) non-grouping group
(?=…) matches if <…> matches next, but does not consume the string
(?!…) matches if <…> does NOT match next, but does not consume the string
x|y matches x or y
[xyz] matches any one of x, y or z
[^xyz] matches any character except x, y or z
[a-z] matches any one character between a and z
[^a-z] matches any one character except the characters between a and z
Love
Can we use Let's Encrypt, the free and open certificate authority?
Hola! gracias por la info, me sirvió el comando sacandole el nombre del server. En mi caso, fue una migración…
Yes 3rd option helped me too. I removed the WC key Values from config file then started working.
I know this is from 2014. But really, thank you!