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To check the beginning of a string using a regular expression in JavaScript, use the test() function and a regular expression that starts with ^ . The ^ character is a special character that represents the start of the string. The test() function will search the string and return true if the string contains a match.
I am writing a filebeat configuration when I am matching if a line starts with a number like 03:32:33 ( a timestamp). I am currently doing it by-
\d
But its not getting recognised, is there anything else which I should do. I am not particularly good/ have experience with regex. Help will be appreciated.
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