Regular expression to match first and last character
113,898
Solution 1
The below regex will match the strings that start and end with an alpha character.
/^[a-z].*[a-z]$/igm
The a
string also starts and ends with an alpha character, right? Then you have to use the below regex.
/^[a-z](.*[a-z])?$/igm
Explanation:
^ # Represents beginning of a line.
[a-z] # Alphabetic character.
.* # Any character 0 or more times.
[a-z] # Alphabetic character.
$ # End of a line.
i # Case-insensitive match.
g # Global.
m # Multiline
Solution 2
You can do it as follows to check for the first and last characters and then anything in between:
/^[a-z].*[a-z]$/im
Author by
Jason
Updated on December 19, 2021Comments
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Jason over 2 years
I'm trying to use regex to check that the first and last characters in a string are alpha characters between a-z.
I know this matches the first character:
/^[a-z]/i
But how do I then check for the last character as well?
This:
/^[a-z][a-z]$/i
does not work. And I suspect there should be something in between the two clauses, but I don't know what!