What is the best way find specific pattern using regex?

Question

I need find a word, that start with alphabetic symbol a-zA-Z and then can be continued by alphabetic symbols\digits, unlimited times

Example:
foo123
f3
3foo - ERROR
asd1
asd

using ECMAScript syntax.
Example on this site can be useful: https://regex101.com/

Possible duplicate of [Reference - What does this regex mean?](https://stackoverflow.com/questions/22937618/reference-what-does-this-regex-mean) — Paolo, Sep 14 '18 at 17:47

score 0 · Answer 1 · answered Sep 14 '18 at 17:50

0

^[a-zA-Z][a-zA-Z0-9]+$

Explanation

^$ - from start to end (match the whole line)

[a-zA-Z] Any letter once

[a-zA-Z0-9]+ Any letter or any number 1 or more times.

answered Sep 14 '18 at 17:50

dustytrash

1 Answers1