Regex Test for Strings Online

Test regular expressions against strings for Java, Python, C#, C++, Go, and general use

Regex Test for Strings

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Regular Expression

Input String

Matches

What is Regex Test for Strings?

A regular expression (regex or regexp) is a sequence of characters that specifies a search pattern. This tool allows you to test your regular expressions against strings to see if they match. It supports various programming languages and provides code samples for how to perform the regex test in each language.

Functions this tool can perform:

Test a regular expression against a string
Indicate whether the regex matches the string
Provide code samples in multiple programming languages (Java, Python, C#, C++, Go)
Handle regex errors

Sample 1

Regex: [0-9]+

String: 12345

Matches: true

Sample 2

Regex: [a-zA-Z]+

String: OpenAI

Matches: true

Sample 3

Regex: \d{3}-\d{3}-\d{4}

String: 123-456-7890

Matches: true