Regular Expressions 101

Explanation

Pro

Teacher:the literal text Teacher: (case sensitive)

Non-Capturing Group(?:(?!\bName:).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!\bName:)

\ba Unicode word boundary

Name:the literal text Name: (case sensitive)

.any Unicode character (except for line terminators)

\ba Unicode word boundary

Name: ABCthe literal text Name: ABC (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

Teacher:(?:(?!\bName:).)*\bName: ABC

New

Teacher: ID: 123 Something: Something Name: ABC Age: 40 Student1: Name: XYZ Age: 12 Student2: Name: ABC
Teacher: Name: EFG Age: 40 Student1: Name: XYZ Age: 12 Student2: Name: ABC

Extraction

Teacher: ID: 123 Something: Something Name: ABC Age: 40 Student1: Name: XYZ Age: 12 Student2: Name: ABC
Teacher: Name: EFG Age: 40 Student1: Name: XYZ Age: 12 Student2: Name: ABC