---
title: "Discussion on \"⚡Salesforce Apex Deep Dive: pex String Methods: contains, split, isBlank vs isEmpty, and Regex Explained\" | Hashnode"
description: "Discussion on \"⚡Salesforce Apex Deep Dive: pex String Methods: contains, split, isBlank vs isEmpty, and Regex Explained\". Apex String methods explained — search, split/join, isBlank() vs isEmpty(), String.format(), and regex basics, with the fresher traps that trip everyone."
url: "https://hashnode.com/posts/salesforce-apex-deep-dive-pex-string-methods-contains-split-isblank-vs-isempty-and-regex-explained/6a8193e5200be40c62e19c85"
---

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# [⚡Salesforce Apex Deep Dive: pex String Methods: contains, split, isBlank vs isEmpty, and Regex Explained](https://vikaskumarpandey.hashnode.dev/salesforce-apex-deep-dive-pex-string-methods-contains-split-isblank-vs-isempty-and-regex-explained?utm_source=hashnode&utm_medium=feed)

Apex String methods explained — search, split/join, isBlank() vs isEmpty(), String.format(), and regex basics, with the fresher traps that trip everyone.

Aug 11 · 11 min read · vikaskumarpandey.hashnode.dev  
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-   [#string-methods](https://hashnode.com/tag/string-methods)
-   [#regex](https://hashnode.com/tag/regex)
-   [#salesforce-development](https://hashnode.com/tag/salesforce-development)
-   [#salesforce-developer](https://hashnode.com/tag/salesforce-developer)

## Written by

[Vikaskumar](https://hashnode.com/@vikaskumarpandey)

@vikaskumarpandey · Mumbai, India

  
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