# Data Validator

**URL:** <https://community.automationedge.com/t/data-validator/10272>\
**Category:** Process Studio\
**Tags:** ps\
**Created:** [July 28, 2023, 1:34pm UTC](https://community.automationedge.com/t/data-validator/10272 "2023-07-28T13:34:44Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![BhaleraoNeha21](https://avatars.discourse-cdn.com/v4/letter/b/7ab992/32.png) [@BhaleraoNeha21](https://community.automationedge.com/u/BhaleraoNeha21)\
**Post date:** [July 28, 2023, 1:34pm UTC](https://community.automationedge.com/t/data-validator/10272/1 "2023-07-28T13:34:45Z")

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In the data validator step how many ways to write the regular expression?which symbol we can use?

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<div class="post-metadata">

**Author:** ![Sumita\_Khan](https://avatars.discourse-cdn.com/v4/letter/s/3ab097/32.png) [@Sumita\_Khan](https://community.automationedge.com/u/Sumita_Khan)\
**Post date:** [July 28, 2023, 1:36pm UTC](https://community.automationedge.com/t/data-validator/10272/2 "2023-07-28T13:36:52Z")

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We can either use ._._ reg exp ._._ or ^reg exp$

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**Author:** ![AshishBrahmadande04](https://yyz1.discourse-cdn.com/flex027/user_avatar/community.automationedge.com/ashishbrahmadande04/32/1531_2.png) [@AshishBrahmadande04](https://community.automationedge.com/u/AshishBrahmadande04)\
**Post date:** [July 28, 2023, 1:37pm UTC](https://community.automationedge.com/t/data-validator/10272/3 "2023-07-28T13:37:51Z")

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\[1\][0-9]$

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1. A-Za-z