# Substring function library

**URL:** <https://forum.inductiveautomation.com/t/substring-function-library/6152>\
**Category:** Ignition\
**Created:** [April 4, 2013, 5:55am UTC](https://forum.inductiveautomation.com/t/substring-function-library/6152 "2013-04-04T05:55:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ashish007pict](https://avatars.discourse-cdn.com/v4/letter/a/aca169/32.png) [@ashish007pict](https://forum.inductiveautomation.com/u/ashish007pict)\
**Post date:** [April 4, 2013, 5:55am UTC](https://forum.inductiveautomation.com/t/substring-function-library/6152/1 "2013-04-04T05:55:06Z")

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Hi

How to use substring function in igniiton script modules? Which library to import?

Thanks in advance

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**Author:** ![Travis.Cox](https://avatars.discourse-cdn.com/v4/letter/t/b9bd4f/32.png) [@Travis.Cox](https://forum.inductiveautomation.com/u/Travis.Cox)\
**Post date:** [April 4, 2013, 4:49pm UTC](https://forum.inductiveautomation.com/t/substring-function-library/6152/2 "2013-04-04T16:49:23Z")

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Here is an example:`str = "This is my string"
print str[5:10]`which prints “is my”. You can also do this:`str = "This is my string"
print str[5:]`which prints “is my string” and:`str = "This is my string"
print str[:10]`which prints “This is my”.