Regular expressions match the first

Match the input string with the given regular expression and return the first result of the match

Match first

Outputs the first result matched after running the activity as a variable

Whether to exclude unescaped whitespace from the pattern

Selects whether to exclude unescaped whitespace from the pattern when matching.

Whether to read from right to left

Selects whether to read right-to-left when matching.

Match on a single line or not

Selects whether to match on a single line

Multi-line match or not

Selects whether to match on multiple lines

Ignore case or not

Choose whether to ignore case when matching

Choose whether or not to ignore cultural differences in language

Choose whether to ignore cultural differences in language when matching.

Whether to compile regular expressions into assemblies

Choose whether or not to compile regular expressions into assemblies when matching.

Enable or disable ECMAScript compatibility behavior

Choose whether to enable ECMAScript-compatible behavior when matching.

Capture explicitly or not

Choose whether to explicitly capture the

Regular Expressions

Enter a regular expression to be matched, e.g. \w, to match letters or numbers.

String

Enter the source string to be matched with the regular expression.

Run result:

Execution steps: Match the first letter or number in the source string.

results matching ""