Regular Expressions 101

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Regular ExpressionOpen Workspace

/
^[1-6]\d{5}(0\d|1\d|2[0-5])\d{4}$
/
g

Description
Created·2025-04-07 13:07
Type·Match
Flavor·JavaScript

This regex will validate a Deped's student's learner reference number (LRN)

based from: https://www.teacherph.com/deped-learner-reference-number-lrn/

Submitted by Anonymous
Open Workspace