# Extract value from serial port string data

**URL:** <https://discourse.nodered.org/t/extract-value-from-serial-port-string-data/5777>\
**Category:** General\
**Created:** [14 December 2018 02:52 UTC](https://discourse.nodered.org/t/extract-value-from-serial-port-string-data/5777 "2018-12-14T02:52:29Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![iotkismec](https://avatars.discourse-cdn.com/v4/letter/i/3be4f8/32.png) [@iotkismec](https://discourse.nodered.org/u/iotkismec)\
**Post date:** [14 December 2018 02:52 UTC](https://discourse.nodered.org/t/extract-value-from-serial-port-string-data/5777/1 "2018-12-14T02:52:29Z")

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Hi All,

I got a data from PLC using serial communication. The data that i got is @00EX01520063FFFF5E\*.  
How can i extract value from the buffer. I just need the data in between @00EX and 5E\* .

 ![Untitled](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/2X/2/21bd56347a1a9dc230ee7888054ebdea1d81f0c8.jpeg)

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**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [14 December 2018 11:04 UTC](https://discourse.nodered.org/t/extract-value-from-serial-port-string-data/5777/2 "2018-12-14T11:04:25Z")

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Have a look at [https://flows.nodered.org/node/node-red-contrib-string](https://flows.nodered.org/node/node-red-contrib-string)

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<div class="post-metadata">

**Author:** ![iotkismec](https://avatars.discourse-cdn.com/v4/letter/i/3be4f8/32.png) [@iotkismec](https://discourse.nodered.org/u/iotkismec)\
**Post date:** [21 December 2018 04:30 UTC](https://discourse.nodered.org/t/extract-value-from-serial-port-string-data/5777/3 "2018-12-21T04:30:01Z")

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Thanks colin. Problem solved.